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What is the charge on the electron, the proton, and the neutron, respectively?
4.1 -1, +1, +1 -1, +1, -1 -1, 0, +1 -1, +1, 0 +1, +1, 0
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What is the charge on the electron, the proton, and the neutron, respectively?
4.1 -1, +1, +1 -1, +1, -1 -1, 0, +1 -1, +1, 0 +1, +1, 0
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Which scientist discovered the electron?
4.2 Democritus J. J. Thomson John Dalton Lord Kelvin Ernest Rutherford
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Which scientist discovered the electron?
4.2 Democritus J. J. Thomson John Dalton Lord Kelvin Ernest Rutherford
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Which of the following subatomic particles has the least mass?
4.3 Electron Neutron Proton Two of the above All of the above
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Which of the following subatomic particles has the least mass?
4.3 Electron Neutron Proton Two of the above All of the above
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What subatomic particle(s) is/are found in the nucleus?
4.4 Electron Neutron Proton Two of the above All of the above
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What subatomic particle(s) is/are found in the nucleus?
4.4 Electron Neutron Proton Two of the above All of the above
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Which element has the chemical symbol Pb?
4.5 Mercury Polonium Platinum Tungsten Lead
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Which element has the chemical symbol Pb?
4.5 Mercury Polonium Platinum Tungsten Lead
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What is the chemical symbol for potassium?
4.6 Po P Pt Pb K
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What is the chemical symbol for potassium?
4.6 Po P Pt Pb K
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How many protons are in one silver atom?
4.7 47 60 94 108 154
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How many protons are in one silver atom?
4.7 47 60 94 108 154
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Which of the following elements is a metalloid?
4.8 Aluminum Silicon Tin Phosphorus Iodine
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Which of the following elements is a metalloid?
4.8 Aluminum Silicon Tin Phosphorus Iodine
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Which of the following elements is a metalloid?
4.9 Arsenic Bismuth Carbon Iodine Gallium
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Which of the following elements is a metalloid?
4.9 Arsenic Bismuth Carbon Iodine Gallium
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Strontium is in the family of:
4.10 Halogens Noble gases Alkaline earth metals Alkali metals Pnictogens
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Strontium is in the family of:
4.10 Halogens Noble gases Alkaline earth metals Alkali metals Pnictogens
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Chlorine is in the family of:
4.11 Halogens Noble gases Alkaline earth metals Alkali metals Pnictogens
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Chlorine is in the family of:
4.11 Halogens Noble gases Alkaline earth metals Alkali metals Pnictogens
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The total number of neutrons and protons in a given nucleus is referred to as the:
4.12 Proton number Mass number Atomic number Isotope number Neutron number
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The total number of neutrons and protons in a given nucleus is referred to as the:
4.12 Proton number Mass number Atomic number Isotope number Neutron number
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How many electrons are in the bromide ion, 81Br1–?
4.13 35 36 46 70 80
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How many electrons are in the bromide ion, 81Br1–?
4.13 35 36 46 70 80
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How many electrons, protons, and neutrons respectively are in the iron(III) ion, 56Fe3+ ?
4.14 23, 26, 30 26, 26, 30 26, 26, 56 26, 26, 26 29, 26, 30
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How many electrons, protons, and neutrons respectively are in the iron(III) ion, 56Fe3+ ?
4.14 23, 26, 30 26, 26, 30 26, 26, 56 26, 26, 26 29, 26, 30
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What is the symbol for an ion having 12 protons and 10 electrons?
4.15 Si2+ Si Mg2+ Ne Ne2–
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What is the symbol for an ion having 12 protons and 10 electrons?
4.15 Si2+ Si Mg2+ Ne Ne2–
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What is the symbol for an ion having 15 protons and 18 electrons?
4.16 Ph3– Ar P3+ Cl1– P3–
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What is the symbol for an ion having 15 protons and 18 electrons?
4.16 Ph3– Ar P3+ Cl1– P3–
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How many electrons are in one scandium ion, 45Sc3+?
4.17 45 42 48 24 18
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How many electrons are in one scandium ion, 45Sc3+?
4.17 45 42 48 24 18
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Which atom has the same number of protons as 59Ni?
4.18 59Fe 58Ni 59Co 141Pr 102Rh
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Which atom has the same number of protons as 59Ni?
4.18 59Fe 58Ni 59Co 141Pr 102Rh
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The nucleus of a fluorine-19 atom contains:
4.19 19 protons and 19 electrons 19 protons and 0 electrons 9 protons and 10 electrons 19 protons and 19 neutrons 9 protons and 10 neutrons
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The nucleus of a fluorine-19 atom contains:
4.19 19 protons and 19 electrons 19 protons and 0 electrons 9 protons and 10 electrons 19 protons and 19 neutrons 9 protons and 10 neutrons
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A fluorine-19 atom is symbolized as:
4.20 9F 10F 19F 10 10 9 9 10
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A fluorine-19 atom is symbolized as:
4.20 9F 10F 19F 10 10 9 9 10
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What is the charge of a halide ion?
4.21 1– 1+ 2– 2+
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What is the charge of a halide ion?
4.21 1– 1+ 2– 2+
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Which of the following species has 10 electrons and 14 neutrons?
4.22 27Al3+ 27Al 14N3– 24Mg2+ 20Ne
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Which of the following species has 10 electrons and 14 neutrons?
4.22 27Al3+ 27Al 14N3– 24Mg2+ 20Ne
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What is the charge of an oxygen atom?
4.23 1– 1+ 2– 2+
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What is the charge of an oxygen atom?
4.23 1– 1+ 2– 2+
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Isotopes have: 4.24 The same number of protons, but different numbers of neutrons The same number of protons and neutrons The same chemical symbol The same number of electrons and neutrons Two of the above
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Isotopes have: 4.24 The same number of protons, but different numbers of neutrons The same number of protons and neutrons The same chemical symbol The same number of electrons and neutrons Two of the above
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Which of the following elements has the most similar reaction with water as potassium?
4.25 Ca Ar Fe Na C
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Which of the following elements has the most similar reaction with water as potassium?
4.25 Ca Ar Fe Na C
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Carbon has three naturally occurring isotopes: C-12 with mass 12
Carbon has three naturally occurring isotopes: C-12 with mass amu and a natural abundance of 98.89%, C-13 with mass amu and a natural abundance of 1.110%, and C-14 which is negligibly small. Calculate the atomic mass of carbon. 4.26 12.00 amu 12.01 amu 13.00 amu 14.00 amu 25.00 amu
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Carbon has three naturally occurring isotopes: C-12 with mass 12
Carbon has three naturally occurring isotopes: C-12 with mass amu and a natural abundance of 98.89%, C-13 with mass amu and a natural abundance of 1.110%, and C-14 which is negligibly small. Calculate the atomic mass of carbon. 4.26 12.00 amu 12.01 amu 13.00 amu 14.00 amu 25.00 amu
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A hypothetical element, Hy, has three isotopes, Hy-299, Hy-300, and Hy-301, which have the following natural abundance: % (Hy-299), % (Hy-300), and % (Hy-301). The atomic masses or the isotopes are amu, amu, and amu, respectively. Calculate the atomic mass of Hy. 4.27 299.5 amu 299.8 amu 300.3 amu 300.6 amu 301.1 amu
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A hypothetical element, Hy, has three isotopes, Hy-299, Hy-300, and Hy-301, which have the following natural abundance: % (Hy-299), % (Hy-300), and % (Hy-301). The atomic masses or the isotopes are amu, amu, and amu, respectively. Calculate the atomic mass of Hy. 4.27 299.5 amu 299.8 amu 300.3 amu 300.6 amu 301.1 amu
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Which of the following is characteristic of metals?
4.28 Solid at room temperature Malleable Ductile Located toward the left side of the periodic table All of the above
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Which of the following is characteristic of metals?
4.28 Solid at room temperature Malleable Ductile Located toward the left side of the periodic table All of the above
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Which scientist discovered the nucleus?
4.29 Robert Millikan J. J. Thomson John Dalton Lord Kelvin Ernest Rutherford
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Which scientist discovered the nucleus?
4.29 Robert Millikan J. J. Thomson John Dalton Lord Kelvin Ernest Rutherford
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