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Chemistry The Central Science 13e Brown et al Chapter
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4 Which pair of substances could be used to illustrate the law of multiple proportions. A SO2 H2SO4,D CH4 C6H12O6,E NaCl KCl,Diff 1 Var 1 Page Ref Sec 2 1. 5 Which statement below correctly describes the responses of alpha beta and gamma radiation to an. electric field, A Both beta and gamma are deflected in the same direction while alpha shows no response. B Both alpha and gamma are deflected in the same direction while beta shows no response. C Both alpha and beta are deflected in the same direction while gamma shows no response. D Alpha and beta are deflected in opposite directions while gamma shows no response. E Only alpha is deflected while beta and gamma show no response. Diff 2 Var 1 Page Ref Sec 2 2, 6 Which one of the following is not true concerning cathode rays. A They originate from the negative electrode, B They travel in straight lines in the absence of electric or magnetic fields. C They impart a negative charge to metals exposed to them. D They are made up of electrons, E The characteristics of cathode rays depend on the material from which they are emitted.
Diff 2 Var 1 Page Ref Sec 2 2,7 The charge on an electron was determined in the. A cathode ray tube by J J Thomson,B Rutherford gold foil experiment. C Millikan oil drop experiment,D Dalton atomic theory. E atomic theory of matter,Diff 1 Var 1 Page Ref Sec 2 2. Copyright 2015 Pearson Education Inc,8 rays consist of fast moving electrons.
E none of the above,Diff 1 Var 1 Page Ref Sec 2 2, 9 The gold foil experiment performed in Rutherford s lab. A confirmed the plum pudding model of the atom,B led to the discovery of the atomic nucleus. C was the basis for Thomson s model of the atom, D utilized the deflection of beta particles by gold foil. E proved the law of multiple proportions,Diff 1 Var 1 Page Ref Sec 2 2. 10 In the Rutherford nuclear atom model, A the heavy subatomic particles protons and neutrons reside in the nucleus.
B the three principal subatomic particles protons neutrons and electrons all have essentially the same. C the light subatomic particles protons and neutrons reside in the nucleus. D mass is spread essentially uniformly throughout the atom. E the three principal subatomic particles protons neutrons and electrons all have essentially the same. mass and mass is spread essentially uniformly throughout the atom. Diff 1 Var 1 Page Ref Sec 2 2,11 Cathode rays are,A neutrons. C electrons,Diff 1 Var 1 Page Ref Sec 2 2,Copyright 2015 Pearson Education Inc. 12 Cathode rays are deflected away from a negatively charged plate because. A they are not particles,B they are positively charged particles. C they are neutral particles,D they are negatively charged particles. E they are emitted by all matter,Diff 1 Var 1 Page Ref Sec 2 2.
13 In the absence of magnetic or electric fields cathode rays. A do not exist,B travel in straight lines,C cannot be detected. D become positively charged,E bend toward a light source. Diff 1 Var 1 Page Ref Sec 2 2, 14 Of the three types of radioactivity characterized by Rutherford which is are electrically charged. B rays and rays,C rays rays and rays,E rays and rays. Diff 1 Var 1 Page Ref Sec 2 2, 15 Of the three types of radioactivity characterized by Rutherford which is are not electrically charged.
B rays rays and rays,D rays and rays,E rays and rays. Diff 1 Var 1 Page Ref Sec 2 2,Copyright 2015 Pearson Education Inc. 16 Of the three types of radioactivity characterized by Rutherford which are particles. B rays rays and rays,D rays and rays,E rays and rays. Diff 1 Var 1 Page Ref Sec 2 2, 17 Of the three types of radioactivity characterized by Rutherford which type does not become deflected. by a magnetic field,B rays and rays,E rays rays and rays.
Diff 1 Var 1 Page Ref Sec 2 2, 18 Of the following the smallest and lightest subatomic particle is the. C electron,E alpha particle,Diff 1 Var 1 Page Ref Sec 2 3. 19 All atoms of a given element have the same,B number of protons. C number of neutrons,D number of electrons and neutrons. Diff 1 Var 1 Page Ref Sec 2 3,Copyright 2015 Pearson Education Inc.
20 Which atom has the smallest number of neutrons,A carbon 14. B nitrogen 14,C oxygen 16,D fluorine 19,Diff 2 Var 1 Page Ref Sec 2 3. 21 Which atom has the largest number of neutrons,A phosphorus 30. B chlorine 37,C potassium 39,D argon 40,E calcium 40. Diff 2 Var 1 Page Ref Sec 2 3, 22 There are electrons protons and neutrons in an atom of 132.
A 132 132 54,B 54 54 132,C 78 78 54,D 54 54 78,E 78 78 132. Diff 2 Var 1 Page Ref Sec 2 3, 23 An atom of the most common isotope of gold Au has protons neutrons and. A 197 79 118,B 118 79 39,C 79 197 197,D 79 118 118. E 79 118 79,Diff 2 Var 1 Page Ref Sec 2 3,Copyright 2015 Pearson Education Inc. 24 Which combination of protons neutrons and electrons is correct for the isotope of copper 29 Cu. A 29 p 34 n 29 e,B 29 p 29 n 63 e,C 63 p 29 n 63 e.
D 34 p 29 n 34 e,E 34 p 34 n 29 e,Diff 2 Var 1 Page Ref Sec 2 3. 25 Which isotope has 45 neutrons,Diff 2 Var 1 Page Ref Sec 2 3. 26 Which pair of atoms constitutes a pair of isotopes of the same element. Diff 1 Var 1 Page Ref Sec 2 3,Copyright 2015 Pearson Education Inc. 27 Which isotope has 36 electrons in an atom,Diff 2 Var 1 Page Ref Sec 2 3. 28 Isotopes are atoms that have the same but differing. A atomic masses charges,B mass numbers atomic numbers.
C atomic numbers mass numbers,D charges atomic masses. E mass numbers charges,Diff 1 Var 1 Page Ref Sec 2 3. 29 The nucleus of an atom does not contain,B protons or neutrons. C neutrons,D subatomic particles,E electrons,Diff 1 Var 1 Page Ref Sec 2 3. 30 The subatomic particles located in the nucleus with no overall charges are. A electrons,C neutrons,D protons and neutrons,E protons neutrons and electrons.
Diff 1 Var 1 Page Ref Sec 2 3,Copyright 2015 Pearson Education Inc. 31 Different isotopes of a particular element contain the same number of. B neutrons,C protons and neutrons,D protons neutrons and electrons. E subatomic particles,Diff 1 Var 1 Page Ref Sec 2 3. 32 Different isotopes of a particular element contain different numbers of. B neutrons,C protons and neutrons,D protons neutrons and electrons. E None of the above is correct,Diff 1 Var 1 Page Ref Sec 2 3.
33 In the symbol shown below x,E not enough information to determine. Diff 2 Var 1 Page Ref Sec 2 3,34 In the symbol below X. E not enough information to determine,Diff 2 Var 1 Page Ref Sec 2 3. Copyright 2015 Pearson Education Inc,35 In the symbol below x. E not enough information to determine,Diff 2 Var 1 Page Ref Sec 2 3.
36 In the symbol below x is,A the number of neutrons. B the atomic number,C the mass number,D the isotope number. E the elemental symbol,Diff 1 Var 1 Page Ref Sec 2 3. 37 Which one of the following basic forces is so small that it has no chemical significance. A weak nuclear force,B strong nuclear force,C electromagnetism. E Coulomb s law,Diff 2 Var 1 Page Ref Sec 2 3, 38 Gravitational forces act between objects in proportion to their.
D polarizability,E densities,Diff 1 Var 1 Page Ref Sec 2 3. Copyright 2015 Pearson Education Inc, 39 Silver has two naturally occurring isotopes with the following isotopic masses. 106 90509 108 9047, The average atomic mass of silver is 107 8682 amu The fractional abundance of the lighter of the two. isotopes is,Diff 4 Var 1 Page Ref Sec 2 4, 40 The atomic mass unit is presently based on assigning an exact integral mass in amu to an isotope of. A hydrogen,Diff 1 Var 1 Page Ref Sec 2 4, 41 The element X has three naturally occurring isotopes The masses amu and abundances of the.
isotopes are given in the table below The average atomic mass of the element is amu. Diff 3 Var 1 Page Ref Sec 2 4,Copyright 2015 Pearson Education Inc. 42 Element X has three naturally occurring isotopes The masses amu and abundances of the isotopes. are given in the table below The average atomic mass of the element is amu. Diff 3 Var 1 Page Ref Sec 2 4, 43 The element X has three naturally occurring isotopes The isotopic masses amu and abundances of. the isotopes are given in the table below The average atomic mass of the element is amu. Diff 3 Var 1 Page Ref Sec 2 4,Copyright 2015 Pearson Education Inc. 44 The element X has three naturally occurring isotopes The isotopic masses amu and abundances of. the isotopes are given in the table below The average atomic mass of the element is amu. Diff 3 Var 1 Page Ref Sec 2 4, 45 The element X has two naturally occurring isotopes The masses amu and abundances of the. isotopes are given in the table below The average atomic mass of the element is amu. Diff 3 Var 1 Page Ref Sec 2 4, 46 The average atomic weight of copper which has two naturally occurring isotopes is 63 5 One of the.
isotopes has an atomic weight of 62 9 amu and constitutes 69 1 of the copper isotopes The other isotope. has an abundance of 30 9 The atomic weight amu of the second isotope is amu. Diff 4 Var 1 Page Ref Sec 2 4,Copyright 2015 Pearson Education Inc. 47 The element X has three naturally occurring isotopes The masses amu and abundances of the. isotopes are given in the table below The average atomic mass of the element is amu. Diff 3 Var 1 Page Ref Sec 2 4, 48 Vanadium has two naturally occurring isotopes 50V with an atomic mass of 49 9472 amu and 51V. with an atomic mass of 50 9440 The atomic weight of vanadium is 50 9415 The percent abundances of. the vanadium isotopes are 50V and 51V,A 0 25 99 75. B 99 75 0 25,Diff 4 Var 1 Page Ref Sec 2 4, 49 An unknown element is found to have three naturally occurring isotopes with atomic masses of. 35 9675 0 337 37 9627 0 063 and 39 9624 99 600 Which of the following is the unknown. E None of the above could be the unknown element,Diff 2 Var 1 Page Ref Sec 2 4.
Copyright 2015 Pearson Education Inc, 50 In the periodic table the elements are arranged in. A alphabetical order,B order of increasing atomic number. C order of increasing metallic properties,D order of increasing neutron content. E reverse alphabetical order,Diff 1 Var 1 Page Ref Sec 2 5. 51 Elements exhibit similar physical and chemical properties. A with similar chemical symbols,B with similar atomic masses.
C in the same period of the periodic table,D on opposite sides of the periodic table. E in the same group of the periodic table,Diff 1 Var 1 Page Ref Sec 2 5. 52 Which pair of elements would you expect to exhibit the greatest similarity in their physical and. chemical properties,Diff 1 Var 1 Page Ref Sec 2 5, 53 Which pair of elements would you expect to exhibit the greatest similarity in their physical and. chemical properties,Diff 1 Var 1 Page Ref Sec 2 5,Copyright 2015 Pearson Education Inc.


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