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The Atomic Nature of Matter
Chapter 11 The Atomic Nature of Matter
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Brownian motion has to do with the
size of atoms. vibrations of atoms. random motions of atoms and molecules. rhythmic movements of Brownians. Answer: C
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Brownian motion has to do with the
size of atoms. vibrations of atoms. random motions of atoms and molecules. rhythmic movements of Brownians. Answer: C Comment: It was Einstein’s investigation of Brownian motion that in 1922 won him the Nobel Prize in Physics.
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It is correct to say that atoms that make up your body
were formed in ancient stars. were previously a part of your neighbor’s bodies. are in motion at all times. All of these. Answer: D
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It is correct to say that atoms that make up your body
were formed in ancient stars. were previously a part of your neighbor’s bodies. are in motion at all times. All of these. Answer: D
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Compared with the wavelength of visible light, atoms are
about the same size. smaller. larger. fuzzier. Answer: B
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Compared with the wavelength of visible light, atoms are
about the same size. smaller. larger. fuzzier. Answer: B
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Which of the following has the smallest mass?
Proton Neutron Electron Except for slight differences, all have about the same mass. Answer: C
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Which of the following has the smallest mass?
Proton Neutron Electron Except for slight differences, all have about the same mass. Answer: C
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The reason you don’t fall between the atoms in the floor you stand on involves
the small spaces between atoms. electrical forces. the rigidity of solids. pressure. Answer: B
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The reason you don’t fall between the atoms in the floor you stand on involves
the small spaces between atoms. electrical forces. the rigidity of solids. pressure. Answer: B
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An element is a substance consisting of
atoms of the same kind. atoms or molecules of the same kind. only protons. protons and electrons in balance. Answer: A
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An element is a substance consisting of
atoms of the same kind. atoms or molecules of the same kind. only protons. protons and electrons in balance. Answer: A
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The classic periodic table
has four legs. lists the known elements. is now outmoded and has been replaced by modeling programs. None of the above. Answer: B
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The classic periodic table
has four legs. lists the known elements. is now outmoded and has been replaced by modeling programs. None of the above. Answer: B
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Investigation of atoms sequenced along each horizontal row (period) of the periodic table shows that atoms decrease in mass. size. atomic weight. None of the above. Answer: B
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Investigation of atoms sequenced along each horizontal row (period) of the periodic table shows that atoms decrease in mass. size. atomic weight. None of the above. Answer: B
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If you add or subtract a proton to or from the nucleus of an atom, you produce
a completely different atom. an isotope of the same atom. an ion. None of the above. Answer: A
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If you add or subtract a proton to or from the nucleus of an atom, you produce
a completely different atom. an isotope of the same atom. an ion. None of the above. Answer: A
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The atomic number of an atom is defined in terms of its number of
protons. neutrons. protons and neutrons. protons, neutrons, and electrons. Answer: A
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The atomic number of an atom is defined in terms of its number of
protons. neutrons. protons and neutrons. protons, neutrons, and electrons. Answer: A
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The size of an atom is mostly determined by the space occupied by its
nucleus. electrons. protons. neutrons. Answer: B
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The size of an atom is mostly determined by the space occupied by its
nucleus. electrons. protons. neutrons. Answer: B
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Which of these elements has atoms of the greatest mass?
Helium Carbon Gold Uranium Answer: D
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Which of these elements has atoms of the greatest mass?
Helium Carbon Gold Uranium Answer: D
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Which of these elements has atoms with the greatest number of electrons?
Helium Carbon Gold Uranium Answer: D
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Which of these elements has atoms with the greatest number of electrons?
Helium Carbon Gold Uranium Answer: D
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Molecules are composed of
atoms. electrons and protons. atomic nuclei and orbiting electrons. particles larger than atoms. Answer: A
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Molecules are composed of
atoms. electrons and protons. atomic nuclei and orbiting electrons. particles larger than atoms. Answer: A
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Atoms combine to form molecules by way of
nuclear forces. electric repulsion. shared or exchanged electrons. neutron attractions. Answer: C
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Atoms combine to form molecules by way of
nuclear forces. electric repulsion. shared or exchanged electrons. neutron attractions. Answer: C
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A compound is composed of different kinds of atoms
mixed together. moving at the same average speed. in definite proportions. in the gaseous form. Answer: C
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A compound is composed of different kinds of atoms
mixed together. moving at the same average speed. in definite proportions. in the gaseous form. Answer: C
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The atoms in isotopes of a particular element have different numbers of
electrons. protons. neutrons. electric charges. Answer: C
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The atoms in isotopes of a particular element have different numbers of
electrons. protons. neutrons. electric charges. Answer: C
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Isotopes of a given element differ in
atomic number. mass number. electron number. their place in the periodic table. Answer: B
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Isotopes of a given element differ in
atomic number. mass number. electron number. their place in the periodic table. Answer: B
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The shell model of the atom views electrons as occupying
shells. three-dimensional orbitals. circular or elliptical orbits. standing waves. Answer: A
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The shell model of the atom views electrons as occupying
shells. three-dimensional orbitals. circular or elliptical orbits. standing waves. Answer: A Explanation: Straight-forward enough? Are you acquainted with friends who feel a straight answer can’t be the one to pick—that there’s always a trick? Ask with a straight face, “What really is ” Is there a long pause in answering?
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If 1. 0 gram of antimatter meets with 4
If 1.0 gram of antimatter meets with 4.0 grams of matter, the energy released would correspond to the energy equivalent of 1 gram. 2 grams. 4 grams. much more than 4 grams. Answer: B
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If 1. 0 gram of antimatter meets with 4
If 1.0 gram of antimatter meets with 4.0 grams of matter, the energy released would correspond to the energy equivalent of 1 gram. 2 grams. 4 grams. much more than 4 grams. Answer: B
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