A) magnesium
B) sodium
C) sulfur
D) chlorine
E) iron
G) A) and D)
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B) False
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A) Gases expand as their temperature increases because the gas molecules are moving more rapidly.
B) Paraffin wax begins to melt at 57°C.
C) Three samples of wax are heated to 75°C.
D) The force acting on an object is equal to its mass times its acceleration.
E) Will all waxes melt at the same temperature?
G) A) and B)
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A) 17 electrons, 
B) 18 electrons, 
C) 17 electrons, 
D) 17 electrons, 
E) 18 electrons, 
G) B) and D)
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A) 29.2252 amu
B) 28.9757 amu
C) 28.7260 amu
D) 28.0855 amu
E) 27.9801 amu
G) B) and E)
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A) Group 1A
B) Group 2A
C) Group 3A
D) Period 7
E) Period 1
G) C) and D)
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A) increasing atomic mass.
B) increasing atomic number.
C) physical properties.
D) periodicity.
E) chemical reactivities.
G) B) and C)
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A) 15 p, 16 n, 15 e
B) 16 p, 15 n, 16 e
C) 16 p, 31 n, 16 e
D) 32 p, 31 n, 32 e
E) 16 p, 16 n, 15 e
G) C) and E)
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A) Nickel
B) Tin
C) Sodium
D) Sulfur
E) Calcium
G) A) and C)
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B) False
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