Chapter 2 - Atoms And The Periodic Table (test Bank)
Chemistry Atoms First 2nd Edition Burdge Test BankFull Download: irst-2nd-edition-burdge-test-bank/Chapter 2 - Atoms and the Periodic Table (test bank)Student:1.The scientist who determined the magnitude of the electric charge on the electron wasA. John DaltonB. Robert MillikanC. J. J. ThomsonD. Henry MoseleyE. J. Burdge2.When J. J. Thomson discovered the electron, what physical property of the electron did he measure?A. its charge, eB. its charge-to-mass ratio, e/mC. its temperature, TD. its mass, mE. its atomic number, Z3.Which field of study made a big contribution toward understanding the composition of the atom?A. ElectricityB. RadiationC. Solution chemistryD. ElectrochemistryE. Quantum mechanicsFull download all chapters instantly please go to Solutions Manual, Test Bank site: testbanklive.com
4.Which of the following is a type of radioactive radiation that has no charge and is unaffected by externalelectric or magnetic fields?A. raysB. raysC. raysD. raysE. rays5.Which of the following is a type of radioactive radiation that consists of positively charged particles and isdeflected away from the positively charged plate?A. raysB. raysC. raysD. raysE. rays6.Which of the following is a type of radioactive radiation that consists of electrons and is deflected away fromthe negatively charged plate?A. raysB. raysC. raysD. raysE. rays
7.Which of these scientists developed the nuclear model of the atom?A. John DaltonB. Robert MillikanC. J. J. ThomsonD. Henry MoseleyE. Ernest Rutherford8.Rutherford's experiment with alpha particle scattering by gold foil established thatA. protons are not evenly distributed throughout an atom.B. electrons have a negative charge.C. electrons have a positive charge.D. atoms are made of protons, neutrons, and electrons.E. protons are 1840 times heavier than electrons.9.J. J. Thomson studied cathode ray particles (electrons) and was able to measure the mass/charge ratio. Hisresults showed thatA. the mass/charge ratio varied as the cathode material was changed.B. the charge was always a whole-number multiple of some minimum charge.C. matter included particles much smaller than the atom.D. atoms contained dense areas of positive charge.E. atoms are largely empty space.
10.Who is credited with measuring the mass/charge ratio of the electron?A. DaltonB. ChadwickC. ThomsonD. MillikanE. Rutherford11.Who is credited with first measuring the charge of the electron?A. DaltonB. Gay-LussacC. ThomsonD. MillikanE. Rutherford12.Millikan's oil-drop experimentA. established the charge on an electron.B. showed that all oil drops carried the same charge.C. provided support for the nuclear model of the atom.D. suggested that some oil drops carried fractional numbers of electrons.E. suggested the presence of a neutral particle in the atom.
13.Who is credited with discovering the atomic nucleus?A. DaltonB. Gay-LussacC. ThomsonD. ChadwickE. Rutherford14.Rutherford bombarded gold foil with alpha ( ) particles and found that a small percentage of the particles weredeflected. Which of the following was not accounted for by the model he proposed for the structure of theatom?A. the small size of the nucleusB. the charge on the nucleusC. the total mass of the atomD. the existence of protonsE. the presence of electrons outside the nucleus15.Which one of the following statements about atoms and subatomic particles is correct?A. Rutherford discovered the atomic nucleus by bombarding gold foil with electronsB. The proton and the neutron have identical masses.C. The neutron's mass is equal to that of a proton plus an electron.D. A neutral atom contains equal numbers of protons and electrons.E. An atomic nucleus contains equal numbers of protons and neutrons.
16.Who discovered the neutron, the subatomic particle having a neutral charge?A. MillikanB. DaltonC. ChadwickD. RutherfordE. Thomson17.What is the term for the number of protons in the nucleus of each atom of an element? It also indicates thenumber of electrons in the atom.A. Isotope numberB. Mass numberC. Mass-to-charge ratioD. Atomic numberE. Atomic mass units18.What is the term for the total number of neutrons and protons in the nucleus of each atom of an element?A. Isotope numberB. Mass numberC. Mass-to-charge ratioD. Atomic numberE. Atomic mass units19.Bromine is the only nonmetal that is a liquid at room temperature. Consider the isotope bromine-81,. Select the combination which lists the correct atomic number, number of neutrons, and mass number,respectively.A. 35, 46, 81B. 35, 81, 46C. 81, 46, 35D. 46, 81, 35E. 35, 81, 116
20.Atoms X, Y, Z, and R have the following nuclear compositions:IIIIIIIVWhich of the following are isotopes of the same element?A. I & IIB. I & IVC. II & IVD. III & IVE. I & III21.Which isotope is not possible?A.B.C.D.E. All of these isotopes are possible.
22.The principal factor that determines whether a nucleus is stable is theA. electron-to-neutron ratio.B. electron-to-proton ratio.C. neutron-to-proton ratio.D. chemical family.E. number of electrons.23.Which of the following in not a magic number?A. 20B. 10C. 126D. 82E. 224.Which combination of neutrons and protons leads to the most number of stable nuclei?A. Odd number of neutrons and odd number of protonsB. Even number of neutrons and odd number of protonsC. Odd number of neutrons and even number of protonsD. Even number of neutrons and even number of protonsE. None of the options above results in significantly more stable nuclei.
25.As the number of protons increases, stable nuclei willA. have an equal number of neutrons and protons.B. have an increased ratio of neutrons to protons.C. have an odd number of neutrons.D. have an decreased ratio of neutrons to protons.E. become the most common type of nuclei.26.Atoms of the same element with different mass numbers are calledA. ions.B. neutrons.C. chemical groups.D. chemical families.E. isotopes.27.How many neutrons are there in an atom of lead whose mass number is 208?A. 82B. 126C. 208D. 290E. none of them
28.An atom of the isotope sulfur-31 consists of how many protons, neutrons, and electrons? (p proton, n neutron, e electron)A. 15 p, 16 n, 15 eB. 16 p, 15 n, 16 eC. 16 p, 31 n, 16 eD. 32 p, 31 n, 32 eE. 16 p, 16 n, 15 e29.Give the number of protons (p), electrons (e), and neutrons (n) in one atom of chlorine-37.A. 37 p, 37 e, 17 nB. 17 p, 17 e, 37 nC. 17 p, 17 e, 20 nD. 37 p, 17 e, 20 nE. 17 p, 37 e, 17 n30.Two isotopes of an element differ only in theirA. symbol.B. atomic number.C. atomic mass.D. number of protons.E. number of electrons.
31.The elements in a column of the periodic table are known asA. metalloids.B. a period.C. noble gases.D. a group.E. nonmetals.32.Which of these materials are usually poor conductors of heat and aline earth metalsAlkali metals33.Which of these elements is most likely to be a good conductor of electricity?A. NB. SC. HeD. ClE. Fe
34.Which of the following elements are the least reactive?A.B.C.D.E.Alkali metalsNoble gasesHalogensAlkaline earth metalsMetalloids35.Which of the following is a nonmetal?A.B.C.D.E.Lithium, Li, Z 3Bromine, Br, Z 35Mercury, Hg, Z 80Bismuth, Bi, Z 83Sodium, Na, Z 1136.Which of the following is a metal?A. Nitrogen, N, Z 7B. Phosphorus, P, Z 15C. Arsenic, As, Z 33D. Thallium, Tl, Z 81E. Silicon, Si, Z 14
37.Which of the following is a metalloid?A. Carbon, C, Z 6B. Sulfur, S, Z 16C. Germanium, Ge, Z 32D. Iridium, Ir, Z 77E. Bromine, Br, Z 3538.A row of the periodic table is called a(n)A.B.C.D.E.group.period.isotopic mixture.family.subshell.39.Silicon, which makes up about 25% of Earth's crust by mass, is used widely in the modern electronics industry.It has three naturally occurring isotopes, 28Si, 29Si, and 30Si. Calculate the atomic mass of silicon.Isotope28Si29Si30SiIsotopic Mass (amu)27.97692728.97649529.973770A. 29.2252 amuB. 28.9757 amuC. 28.7260 amuD. 28.0855 amuE. 27.9801 amuAbudance %92.224.693.09
40.Lithium forms compounds which are used in dry cells, storage batteries, and in high-temperature lubricants. Ithas two naturally occurring isotopes, 6Li (isotopic mass 6.015123 amu) and 7Li (isotopic mass 7.016005amu). Lithium has an atomic mass of 6.9412 amu. What is the percent abundance of lithium-6?A. 92.53%B. 86.65%C. 49.47%D. 7.47%E. 6.015%41.In the periodic table, atoms are arranged in order ofA. increasing atomic mass.B. increasing atomic number.C. physical properties.D. periodicity.E. chemical reactivities.42.The elements in Group 7A are known by what name?A.B.C.D.E.Transition metalsHalogensAlkali metalsAlkaline earth metalsNoble gases
43.The elements in Group 2A are known by what name?A. Transition metalsB. HalogensC. Alkali metalsD. Alkaline earth metalsE. Noble gases44.The alkali metal elements are found in of the periodic table.A. Group 1AB. Group 2AC. Group 3AD. Period 7E. Period 145.What terms defines a mass which is exactly equal to 1/12 the mass of one carbon-12 atom?A. Isotope numberB. Mass numberC. Mass-to-charge ratioD. Atomic numberE. Atomic mass unit
46.Which of these elements is chemically similar to um47.Which of these elements is chemically similar to 8.Which of these elements is chemically similar to potassium?A. calciumB. arsenicC. phosphorusD. ceriumE. cesium
49.How many atoms are in 0.534 mol of nickel, Ni?A. 1.13 1024 atomsB. 1.48 1025 atomsC. 2.44 1022 atomsD. 3.22 1023 atomsE. 6.98 1021 atoms50.How many atoms are in 7.12 mol of gold, Au?A. 1.18 10–23 atomsB. 4.29 1024 atomsC. 8.46 1022 atomsD. 4.70 1024 atomsE. 3.34 1026 atoms51.How many moles are in 8.73 1025 atoms of boron, B?A. 145 molesB. 3.84 1027 molesC. 1.45 molesD. 5.04 10–25 molesE. 6.90 10–3 moles
52.How many moles are present in 17.4 g of lead?A. 0.0994 molesB. 1.05 1025 molesC. 0.0840 molesD. 10.06 molesE. 11.9 moles53.How many grams are present in 0.885 moles of manganese?A. 62.1 gB. 48.6 gC. 21.5 gD. 27.5 gE. 0.016 g54.Determine the mass of hydrogen (in grams) that contains 5.08 1015 hydrogen atoms.A. 5.12 1015 gB. 3.06 1039 gC. 3.06 10–9 gD. 8.50 10–9 gE. 8.5 1015 g
55.What element is represented by X in the atomic symbol notation?A. IridiumB. PlatinumC. PalladiumD. SeleniumE. Magnesium56.A rock contains an element with a molar mass of 40.08 g/mol. If 9.28 1024 atoms of this element were foundin the rock, how many grams of the unknown element are present in the rock?A. 618 gB. 1.49 1028 gC. 2.24 1050 gD. 0.38 gE. 3.80 g57.Five vials each contain 12 grams of a solid metal sample. The samples include calcium, platinum, barium, gold,and silver. Which vial has the most metal atoms?A. CalciumB. BariumC. GoldD. SilverE. Platinum
58.Five vials each contain 12 grams of a solid metal sample. The samples include calcium, platinum, barium, gold,and silver. Which vial has the fewest moles of metal atoms?A. CalciumB. BariumC. GoldD. SilverE. Platinum59.Determine the number of electrons and identify the correct symbol for an atom with 17 protons and 18neutrons.A. 17 electrons,B. 18 electrons,C. 17 electrons,D. 17 electrons,E. 18 electrons,60.Determine the number of protons, electrons, and neutrons for the isotope gold-118. The symbol for gold is Au.A. 118 protons, 118 electrons, 79 neutronsB. 79 protons, 79 electrons, 118 neutronsC. 79 protons, 79 electrons, 39 neutronsD. 118 protons, 118 electrons, 39 neutronsE. 79 protons, 39 electrons, 118 neutrons
61.Determine the number of protons and identify the correct symbol for an atom with 20 neutrons and 20electrons.A. 20 protons,B. 20 protons,C. 20 protons,D. 40 protons,E. 40 protons,62.The mass of a neutron is equal to the mass of a proton plus the mass of an electron.True False63.All neutral atoms of tin have 50 protons and 50 electrons.True False64.Copper (Cu) is a transition metal.True False65.Lead (Pb) is a main group element.True False
66.Almost all the mass of an atom is concentrated in the nucleus.True False67.When a beam of alpha particles passes between two electrically charged plates, the beam is deflected toward thepositive plate.True False68.J. J. Thomson suggested the term "radioactivity" to describe the spontaneous emission of particles and/orradiation.True False69.The elements in Group 8A are called the .70. The elements in Group 2A are called the .71.The elements in Group 7A are called the .
72.The elements in Group 1A are called the .73.is the emission and transmission of energy through space in the form of waves.74.is the negatively charged plate connected to a high-voltage source.75.are electrons that are deflected away from negatively charged plates.76.are atoms that have the same atomic number (Z) but different mass numbers (A).
77.have properties that are intermediate between those of metals and nonmetals.78.The elements in Group 8A are called the .79.is defined as a mass exactly equal to one-twelfth the mass of one carbon-12 atom.80.A mole is the amount of a substance that contains of elementary particles (atoms, molecules,etc.).81.What is the name given for the elements in Group 1A in the periodic table?
82.What is the name given for the elements in Group 7A in the periodic table?83.Which group is given the name chalcogens?84.What are the three types of radiation produced by the decay of substances like uranium?
85.The table below describes four atoms.Number of protonsNumber of neutronsNumber of electronsAtom A7911879Atom B8012080Atom C8011880Atom D7912079Which atoms represent the same element?86.In the early 1900s, Ernest Rutherford performed an experiment with thin foils of gold and alpha particles toprobe the structure of the atoms. He observed that most of these alpha particles penetrated the foil and were notdeflected. Realizing that atoms are electrically neutral (that is, they have equal numbers of protons andelectrons) and that the mass of a proton is significantly greater than the mass of an electron, use Rutherford'sdata to propose a structural model of an atom.87.State the two important experimental results (and the names of the responsible scientists) which enabled themass of the electron to be determined.
88.Determine the average atomic mass of boron. The natural abundance of 10B (weighing 10.0129 amu) is 19.9%and the natural abundance of 11B (weighing 11.0093 amu) is 80.1%. Show all your work.
Chapter 2 - Atoms and the Periodic Table (test bank) Key1.The scientist who determined the magnitude of the electric charge on the electron wasA. John DaltonB. Robert MillikanC. J. J. ThomsonD. Henry MoseleyE. J. BurdgeBlooms: 1. RememberChapter - Chapter 2 #1Difficulty: EasySubtopic: Structure of the AtomTopic: Components of Matter2.When J. J. Thomson discovered the electron, what physical property of the electron did he measure?A. its charge, eB. its charge-to-mass ratio, e/mC. its temperature, TD. its mass, mE. its atomic number, ZBlooms: 2. UnderstandChapter - Chapter 2 #2Difficulty: EasySubtopic: Structure of the AtomTopic: Components of Matter
3.Which field of study made a big contribution toward understanding the composition of the atom?A. ElectricityB. RadiationC. Solution chemistryD. ElectrochemistryE. Quantum mechanicsBlooms: 2. UnderstandChapter - Chapter 2 #3Difficulty: MediumSubtopic: Structure of the AtomTopic: Components of Matter4.Which of the following is a type of radioactive radiation that has no charge and is unaffected by externalelectric or magnetic fields?A. raysB. raysC. raysD. raysE. raysBlooms: 2. UnderstandChapter - Chapter 2 #4Difficulty: EasySubtopic: Structure of the AtomTopic: Components of Matter
5.Which of the following is a type of radioactive radiation that consists of positively charged particles and isdeflected away from the positively charged plate?A. raysB. raysC. raysD. raysE. raysBlooms: 2. UnderstandChapter - Chapter 2 #5Difficulty: MediumSubtopic: Structure of the AtomTopic: Components of Matter6.Which of the following is a type of radioactive radiation that consists of electrons and is deflected away fromthe negatively charged plate?A. raysB. raysC. raysD. raysE. raysBlooms: 2. UnderstandChapter - Chapter 2 #6Difficulty: EasySubtopic: Atomic TheoriesSubtopic: Structure of the AtomTopic: Components of Matter
7.Which of these scientists developed the nuclear model of the atom?A. John DaltonB. Robert MillikanC. J. J. ThomsonD. Henry MoseleyE. Ernest RutherfordBlooms: 1. RememberChapter - Chapter 2 #7Difficulty: EasySubtopic: Atomic TheoriesSubtopic: Structure of the AtomTopic: Components of Matter8.Rutherford's experiment with alpha particle scattering by gold foil established thatA. protons are not evenly distributed throughout an atom.B. electrons have a negative charge.C. electrons have a positive charge.D. atoms are made of protons, neutrons, and electrons.E. protons are 1840 times heavier than electrons.Blooms: 2. UnderstandChapter - Chapter 2 #8Difficulty: EasySubtopic: Structure of the AtomTopic: Components of Matter
9.J. J. Thomson studied cathode ray particles (electrons) and was able to measure the mass/charge ratio. Hisresults showed thatA. the mass/charge ratio varied as the cathode material was changed.B. the charge was always a whole-number multiple of some minimum charge.C. matter included particles much smaller than the atom.D. atoms contained dense areas of positive charge.E. atoms are largely empty space.Blooms: 3. ApplyChapter - Chapter 2 #9Difficulty: EasySubtopic: Structure of the AtomTopic: Components of Matter10.Who is credited with measuring the mass/charge ratio of the electron?A. DaltonB. ChadwickC. ThomsonD. MillikanE. RutherfordBlooms: 1. RememberChapter - Chapter 2 #10Difficulty: EasySubtopic: Structure of the Atom
11.Who is credited with first measuring the charge of the electron?A. DaltonB. Gay-LussacC. ThomsonD. MillikanE. RutherfordBlooms: 1. RememberChapter - Chapter 2 #11Difficulty: EasySubtopic: Structure of the AtomTopic: Components of Matter12.Millikan's oil-drop experimentA. established the charge on an electron.B. showed that all oil drops carried the same charge.C. provided support for the nuclear model of the atom.D. suggested that some oil drops carried fractional numbers of electrons.E. suggested the presence of a neutral particle in the atom.Blooms: 2. UnderstandChapter - Chapter 2 #12Difficulty: EasySubtopic: Structure of the AtomTopic: Components of Matter
13.Who is credited with discovering the atomic nucleus?A. DaltonB. Gay-LussacC. ThomsonD. ChadwickE. RutherfordBlooms: 1. RememberChapter - Chapter 2 #13Difficulty: EasySubtopic: Atomic TheoriesSubtopic: Structure of the AtomTopic: Components of Matter14.Rutherford bombarded gold foil with alpha ( ) particles and found that a small percentage of the particles weredeflected. Which of the following was not accounted for by the model he proposed for the structure of theatom?A. the small size of the nucleusB. the charge on the nucleusC. the total mass of the atomD. the existence of protonsE. the presence of electrons outside the nucleusBlooms: 4. AnalyzeChapter - Chapter 2 #14Difficulty: EasySubtopic: Atomic TheoriesSubtopic: Structure of the AtomTopic: Components of Matter
15.Which one of the following statements about atoms and subatomic particles is correct?A. Rutherford discovered the atomic nucleus by bombarding gold foil with electronsB. The proton and the neutron have identical masses.C. The neutron's mass is equal to that of a proton plus an electron.D. A neutral atom contains equal numbers of protons and electrons.E. An atomic nucleus contains equal numbers of protons and neutrons.Blooms: 2. UnderstandChapter - Chapter 2 #15Difficulty: MediumSubtopic: Atomic TheoriesSubtopic: Structure of the AtomTopic: Components of Matter16.Who discovered the neutron, the subatomic particle having a neutral charge?A. MillikanB. DaltonC. ChadwickD. RutherfordE. ThomsonBlooms: 1. RememberChapter - Chapter 2 #16Difficulty: EasySubtopic: Atomic TheoriesSubtopic: Structure of the AtomTopic: Components of Matter
17.What is the term for the number of protons in the nucleus of each atom of an element? It also indicates thenumber of electrons in the atom.A. Isotope numberB. Mass numberC. Mass-to-charge ratioD. Atomic numberE. Atomic mass unitsBlooms: 1. RememberChapter - Chapter 2 #17Difficulty: EasySubtopic: Atomic TheoriesSubtopic: Structure of the AtomTopic: Components of Matter18.What is the term for the total number of neutrons and protons in the nucleus of each atom of an element?A. Isotope numberB. Mass numberC. Mass-to-charge ratioD. Atomic numberE. Atomic mass unitsBlooms: 2. UnderstandChapter - Chapter 2 #18Difficulty: EasySubtopic: Structure of the AtomTopic: Components of Matter
19.Bromine is the only nonmetal that is a liquid at room temperature. Consider the isotope bromine-81,. Select the combination which lists the correct atomic number, number of neutrons, and mass number,respectively.A. 35, 46, 81B. 35, 81, 46C. 81, 46, 35D. 46, 81, 35E. 35, 81, 116Blooms: 3. ApplyChapter - Chapter 2 #19Difficulty: MediumSubtopic: Atomic Number, Mass Number, Atomic Symbol, and IsotopesSubtopic: Elements and the Periodic TableTopic: Components of Matter
20.Atoms X, Y, Z, and R have the following nuclear compositions:IIIIIIIVWhich of the following are isotopes of the same element?A. I & IIB. I & IVC. II & IVD. III & IVE. I & IIIBlooms: 5. EvaluateChapter - Chapter 2 #20Difficulty: MediumSubtopic: Atomic Number, Mass Number, Atomic Symbol, and IsotopesTopic: Components of Matter
21.Which isotope is not possible?A.B.C.D.E. All of these isotopes are possible.Blooms: 5. EvaluateChapter - Chapter 2 #21Difficulty: HardSubtopic: Atomic Number, Mass Number, Atomic Symbol, and IsotopesTopic: Components of Matter22.The principal factor that determines whether a nucleus is stable is theA. electron-to-neutron ratio.B. electron-to-proton ratio.C. neutron-to-proton ratio.D. chemical family.E. number of electrons.Blooms: 2. UnderstandChapter - Chapter 2 #22Difficulty: EasySubtopic: Structure of the AtomTopic: Components of Matter
23.Which of the following in not a magic number?A. 20B. 10C. 126D. 82E. 2Blooms: 5. EvaluateChapter - Chapter 2 #23Difficulty: MediumSubtopic: Radioactivity and Nuclear StabilitySubtopic: Structure of the AtomTopic: Components of MatterTopic: Nuclear Chemistry24.Which combination of neutrons and protons leads to the most number of stable nuclei?A. Odd number of neutrons and odd number of protonsB. Even number of neutrons and odd number of protonsC. Odd number of neutrons and even number of protonsD. Even number of neutrons and even number of protonsE. None of the options above results in significantly more stable nuclei.Blooms: 3. ApplyChapter - Chapter 2 #24Difficulty: MediumSubtopic: Radioactivity and Nuclear StabilitySubtopic: Structure of the AtomTopic: Components of MatterTopic: Nuclear Chemistry
25.As the number of protons increases, stable nuclei willA. have an equal number of neutrons and protons.B. have an increased ratio of neutrons to protons.C. have an odd number of neutrons.D. have an decreased ratio of neutrons to protons.E. become the most common type of nuclei.Blooms: 3. ApplyChapter - Chapter 2 #25Difficulty: MediumSubtopic: Radioactivity and Nuclear StabilitySubtopic: Structure of the AtomTopic: Components of MatterTopic: Nuclear Chemistry26.Atoms of the same element with different mass numbers are calledA. ions.B. neutrons.C. chemical groups.D. chemical families.E. isotopes.Blooms: 2. UnderstandChapter - Chapter 2 #26Difficulty: EasySubtopic: Atomic Number, Mass Number, Atomic Symbol, and IsotopesSubtopic: Structure of the AtomTopic: Components of Matter
27.How many neutrons are there in an atom of lead whose mass number is 208?A. 82B. 126C. 208D. 290E. none of themBlooms: 3. ApplyChapter - Chapter 2 #27Difficulty: MediumSubtopic: Atomic Number, Mass Number, Atomic Symbol, and IsotopesSubtopic: Structure of the AtomTopic: Components of Matter28.An atom of the isotope sulfur-31 consists of how many protons, neutrons, and electrons? (p proton, n neutron, e electron)A. 15 p, 16 n, 15 eB. 16 p, 15 n, 16 eC. 16 p, 31 n, 16 eD. 32 p, 31 n, 32 eE. 16 p, 16 n, 15 eBlooms: 3. ApplyChapter - Chapter 2 #28Difficulty: MediumSubtopic: Atomic Number, Mass Number, Atomic Symbol, and IsotopesSubtopic: Structure of the AtomTopic: Components of Matter
29.Give the number of protons (p), electrons (e), and neutrons (n) in one atom of chlorine-37.A. 37 p, 37 e, 17 nB. 17 p, 17 e, 37 nC. 17 p, 17 e, 20 nD. 37 p, 17 e, 20 nE. 17 p, 37 e, 17 nBlooms: 3. ApplyChapter - Chapter 2 #29Difficulty: MediumSubtopic: Atomic Number, Mass Number, Atomic Symbol, and IsotopesSubtopic: Structure of the AtomTopic: Components of Matter30.Two isotopes of an element differ only in theirA. symbol.B. atomic number.C. atomic mass.D. number of protons.E. number of electrons.Blooms: 3. ApplyChapter - Chapter 2 #30Difficulty: EasySubtopic: Atomic Number, Mass Number, Atomic Symbol, and IsotopesSubtopic: Structure of the AtomTopic: Components of Matter
31.The elements in a column of the periodic table are known asA. metalloids.B. a period.C. noble gases.D. a group.E. nonmetals.Blooms: 1. RememberChapter - Chapter 2 #31Difficulty: EasySubtopic: Elements and the Periodic TableSubtopic: Periodic Classification of the ElementsTopic: Chemical PeriodicityTopic: Components of Matter32.Which of these materials are usually poor conductors of heat and aline earth metalsAlkali metalsBlooms: 2. UnderstandChapter - Chapter 2 #32Difficulty: EasySubtopic: Elements and the Periodic TableSubtopic: Periodic Classification of the ElementsTopic: Components of Matter
33.Which of these elements is most likely to be a good conductor of electricity?A. NB. SC. HeD. ClE. FeBlooms: 2. UnderstandChapter - Chapter 2 #33Difficulty: MediumSubtopic: Elements and the Periodic TableSubtopic: Periodic Classification of the ElementsTopic: Components of Matter34.Which of the following elements are the least reactive?A.B.C.D.E.Alkali metalsNoble gasesHalogensAlkaline earth metalsMetalloidsBlooms: 3. ApplyChapter - Chapter 2 #34Difficulty: EasySubtopic: Elements and the Periodic TableSubtopic: Periodic Classification of the ElementsTopic: Chemical PeriodicityTopic: Components of Matter
35.Which of the following is a nonmetal?A.B.C.D.E.Lithium, Li, Z 3Bromine, Br, Z 35Mercury, Hg, Z 80Bismuth, Bi, Z 83Sodium, Na, Z 11Blooms: 3. ApplyChapter - Chapter 2 #35Difficulty: EasySubtopic: Elements and the Periodic TableSubtopic: Periodic Classification of the ElementsTopic: Chemical PeriodicityTopic: Components of Matter36.Which of the following is a metal?A. Nitrogen, N, Z 7B. Phosphorus, P, Z 15C. Arsenic, As, Z 33D. Thallium, Tl, Z 81E. Silicon, Si, Z 14Blooms: 3. ApplyChapter - Chapter 2 #36Difficulty: EasySubtopic: Elements and the Periodic TableSubtopic: Periodic Classification of the ElementsTopic: Chemical PeriodicityTopic: Components of Matter
37.Which of the following is a metalloid?A. Carbon, C, Z 6B. Sulfur, S, Z 16C. Germanium, Ge, Z 32D. Iridium, Ir, Z 77E. Bromine, Br, Z 35Blooms: 3. ApplyChapter - Chapter 2 #37Difficulty: MediumSubtopic: Elements and the Periodic TableSubtopic: Periodic Classification of the ElementsTopic: Chemical PeriodicityTopic: Components of Matter38.A row of the periodic table is called a(n)A.B.C.D.E.group.period.isotopic mixture.family.subshell.Blooms: 1. RememberChapter - Chapter 2 #38Difficulty: EasySubtopic: Elements and the Periodic TableSubtopic: Periodic Classification of the ElementsTopic: Chemical PeriodicityTopic: Components of Matter
39.Silicon, which makes up about 25% of Earth's crust by mass, is used widely in the modern electronics industry.It has three naturally occurring isotopes, 28Si, 29Si, and 30Si. Calculate the atomic mass of silicon.Isotope28Si29Si30SiIsotopic Mass (amu)27.97692728.97649529.973770Abudance %92.224.693.09A. 29.2252 amuB. 28.9757 amuC. 28.7260 amuD. 28.0855 amuE. 27.9801 amuBlooms: 3. ApplyChapter - Chapter 2 #39Difficulty: MediumSubtopic: Atomic Number, Mass Number, Atomic Symbol, and IsotopesSubtopic: Elements and the Periodic TableTopic: Components of Matter40.Lithium forms compounds which are used in dry cells, storage batteries, and in high-temperature lubricants. Ithas two naturally occurring isotopes, 6Li (isotopic mass 6.015123 amu) and 7Li (isotopic mass 7.016005amu). Lithium has an atomic mass of 6.9412 amu. What is the percent abundance of lithium-6?A. 92.53%B. 86.65%C. 49.47%D. 7.47%E. 6.015%Blooms: 3. ApplyChapter - Chapter 2 #40Difficulty: HardSubtopic: Atomic Number, Mass Number, Atomic Symbol, and IsotopesSubtopic: Elements and the Periodic TableTopic: Components of Matter
41.In the periodic table, atoms are arranged in order ofA. increasing atomic mass.B. increasing atomic number.C. physical properties.D. periodicity.E. chemical reactivities.Blooms: 2. UnderstandChapter - Chapter 2 #41Difficulty: EasySubtopic: Atomic Number, Mass Number, Atomic Symbol, and IsotopesSubtopic: Elements and the Periodic TableTopic: Components of Matter42.The elements in Group 7A are known by what name?A.B.C.D.E.Transition metalsHalogensAlkali metalsAlkaline earth metalsNoble gasesBlooms: 1. RememberChapter - Chapter 2 #42Difficulty: EasySubtopic: Elements and the Periodic TableSubtopic: Periodic Classification of the ElementsTopic: Chemical PeriodicityTopic: Components of Matter
43.The elements in Group 2A are known by what name?A.B.C.D.E.Transition metalsHalogensAlkali met
A. 1.13 1024 atoms B. 1.48 1025 atoms C. 2.44 1022 atoms D. 3.22 1023 atoms E. 6.98 1021 atoms 50. How many atoms are in 7.12 mol of gold, Au? A. –1.18 10 23 atoms B. 244.29 10 atoms C. 8.46 1022 atoms D. 4.70 1024 atoms E. 3.34 1026 atoms 51. How many moles are
Silat is a combative art of self-defense and survival rooted from Matay archipelago. It was traced at thé early of Langkasuka Kingdom (2nd century CE) till thé reign of Melaka (Malaysia) Sultanate era (13th century). Silat has now evolved to become part of social culture and tradition with thé appearance of a fine physical and spiritual .
May 02, 2018 · D. Program Evaluation ͟The organization has provided a description of the framework for how each program will be evaluated. The framework should include all the elements below: ͟The evaluation methods are cost-effective for the organization ͟Quantitative and qualitative data is being collected (at Basics tier, data collection must have begun)
̶The leading indicator of employee engagement is based on the quality of the relationship between employee and supervisor Empower your managers! ̶Help them understand the impact on the organization ̶Share important changes, plan options, tasks, and deadlines ̶Provide key messages and talking points ̶Prepare them to answer employee questions
Dr. Sunita Bharatwal** Dr. Pawan Garga*** Abstract Customer satisfaction is derived from thè functionalities and values, a product or Service can provide. The current study aims to segregate thè dimensions of ordine Service quality and gather insights on its impact on web shopping. The trends of purchases have
On an exceptional basis, Member States may request UNESCO to provide thé candidates with access to thé platform so they can complète thé form by themselves. Thèse requests must be addressed to esd rize unesco. or by 15 A ril 2021 UNESCO will provide thé nomineewith accessto thé platform via their émail address.
Chính Văn.- Còn đức Thế tôn thì tuệ giác cực kỳ trong sạch 8: hiện hành bất nhị 9, đạt đến vô tướng 10, đứng vào chỗ đứng của các đức Thế tôn 11, thể hiện tính bình đẳng của các Ngài, đến chỗ không còn chướng ngại 12, giáo pháp không thể khuynh đảo, tâm thức không bị cản trở, cái được
Part One: Heir of Ash Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 Chapter 9 Chapter 10 Chapter 11 Chapter 12 Chapter 13 Chapter 14 Chapter 15 Chapter 16 Chapter 17 Chapter 18 Chapter 19 Chapter 20 Chapter 21 Chapter 22 Chapter 23 Chapter 24 Chapter 25 Chapter 26 Chapter 27 Chapter 28 Chapter 29 Chapter 30 .
American Revolution, students are exposed to academic, domain-specific vocabulary and the names and brief descriptions of key events. Lesson 2 is a simulation in which the “Royal Tax Commissioners” stamp all papers written by students and force them to pay a “tax” or imprisonment.
