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Chapter 11 The Atomic Nature of Matter. Brownian motion has to do with the a.size of atoms. b.vibrations of atoms. c.random motions of atoms and molecules.

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Presentation on theme: "Chapter 11 The Atomic Nature of Matter. Brownian motion has to do with the a.size of atoms. b.vibrations of atoms. c.random motions of atoms and molecules."— Presentation transcript:

1 Chapter 11 The Atomic Nature of Matter

2 Brownian motion has to do with the a.size of atoms. b.vibrations of atoms. c.random motions of atoms and molecules. d.rhythmic movements of Brownians.

3 Brownian motion has to do with the a.size of atoms. b.vibrations of atoms. c.random motions of atoms and molecules. d.rhythmic movements of Brownians. Comment: It was Einsteins investigation of Brownian motion that in 1922 won him the Nobel Prize in Physics.

4 It is correct to say that atoms that make up your body a.were formed in ancient stars. b.were previously a part of your neighbors bodies. c.are in motion at all times. d.All of these.

5 It is correct to say that atoms that make up your body a.were formed in ancient stars. b.were previously a part of your neighbors bodies. c.are in motion at all times. d.All of these.

6 Compared with the wavelength of visible light, atoms are a.about the same size. b.smaller. c.larger. d.fuzzier.

7 Compared with the wavelength of visible light, atoms are a.about the same size. b.smaller. c.larger. d.fuzzier.

8 Which of the following has the smallest mass? a.Proton b.Neutron c.Electron d.Except for slight differences, all have about the same mass.

9 Which of the following has the smallest mass? a.Proton b.Neutron c.Electron d.Except for slight differences, all have about the same mass.

10 The reason you dont fall between the atoms in the floor you stand on involves a.the small spaces between atoms. b.electrical forces. c.the rigidity of solids. d.pressure.

11 The reason you dont fall between the atoms in the floor you stand on involves a.the small spaces between atoms. b.electrical forces. c.the rigidity of solids. d.pressure.

12 An element is a substance consisting of a.atoms of the same kind. b.atoms or molecules of the same kind. c.only protons. d.protons and electrons in balance.

13 An element is a substance consisting of a.atoms of the same kind. b.atoms or molecules of the same kind. c.only protons. d.protons and electrons in balance.

14 The classic periodic table a.has four legs. b.lists the known elements. c.is now outmoded and has been replaced by modeling programs. d.None of the above.

15 The classic periodic table a.has four legs. b.lists the known elements. c.is now outmoded and has been replaced by modeling programs. d.None of the above.

16 Investigation of atoms sequenced along each horizontal row (period) of the periodic table shows that atoms decrease in a.mass. b.size. c.atomic weight. d.None of the above.

17 Investigation of atoms sequenced along each horizontal row (period) of the periodic table shows that atoms decrease in a.mass. b.size. c.atomic weight. d.None of the above.

18 If you add or subtract a proton to or from the nucleus of an atom, you produce a.a completely different atom. b.an isotope of the same atom. c.an ion. d.None of the above.

19 If you add or subtract a proton to or from the nucleus of an atom, you produce a.a completely different atom. b.an isotope of the same atom. c.an ion. d.None of the above.

20 The atomic number of an atom is defined in terms of its number of a.protons. b.neutrons. c.protons and neutrons. d.protons, neutrons, and electrons.

21 The atomic number of an atom is defined in terms of its number of a.protons. b.neutrons. c.protons and neutrons. d.protons, neutrons, and electrons.

22 The size of an atom is mostly determined by the space occupied by its a.nucleus. b.electrons. c.protons. d.neutrons.

23 The size of an atom is mostly determined by the space occupied by its a.nucleus. b.electrons. c.protons. d.neutrons.

24 Which of these elements has atoms of the greatest mass? a.Helium b.Carbon c.Gold d.Uranium

25 Which of these elements has atoms of the greatest mass? a.Helium b.Carbon c.Gold d.Uranium

26 Which of these elements has atoms with the greatest number of electrons? a.Helium b.Carbon c.Gold d.Uranium

27 Which of these elements has atoms with the greatest number of electrons? a.Helium b.Carbon c.Gold d.Uranium

28 Molecules are composed of a.atoms. b.electrons and protons. c.atomic nuclei and orbiting electrons. d.particles larger than atoms.

29 Molecules are composed of a.atoms. b.electrons and protons. c.atomic nuclei and orbiting electrons. d.particles larger than atoms.

30 Atoms combine to form molecules by way of a.nuclear forces. b.electric repulsion. c.shared or exchanged electrons. d.neutron attractions.

31 Atoms combine to form molecules by way of a.nuclear forces. b.electric repulsion. c.shared or exchanged electrons. d.neutron attractions.

32 A compound is composed of different kinds of atoms a.mixed together. b.moving at the same average speed. c.in definite proportions. d.in the gaseous form.

33 A compound is composed of different kinds of atoms a.mixed together. b.moving at the same average speed. c.in definite proportions. d.in the gaseous form.

34 The atoms in isotopes of a particular element have different numbers of a.electrons. b.protons. c.neutrons. d.electric charges.

35 The atoms in isotopes of a particular element have different numbers of a.electrons. b.protons. c.neutrons. d.electric charges.

36 Isotopes of a given element differ in a.atomic number. b.mass number. c.electron number. d.their place in the periodic table.

37 Isotopes of a given element differ in a.atomic number. b.mass number. c.electron number. d.their place in the periodic table.

38 The shell model of the atom views electrons as occupying a.shells. b.three-dimensional orbitals. c.circular or elliptical orbits. d.standing waves.

39 The shell model of the atom views electrons as occupying a.shells. b.three-dimensional orbitals. c.circular or elliptical orbits. d.standing waves. Explanation: Straight-forward enough? Are you acquainted with friends who feel a straight answer cant be the one to pickthat theres always a trick? Ask with a straight face, What really is 1 + 1. Is there a long pause in answering?

40 If 1.0 gram of antimatter meets with 4.0 grams of matter, the energy released would correspond to the energy equivalent of a.1 gram. b.2 grams. c.4 grams. d.much more than 4 grams.

41 If 1.0 gram of antimatter meets with 4.0 grams of matter, the energy released would correspond to the energy equivalent of a.1 gram. b.2 grams. c.4 grams. d.much more than 4 grams.


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