Question 1

The d orbital ______.

Accepted Answer

A)  is barbell-shaped 
B)  is spherical 
C)  can have several lobes in the same plane 
D)  All of the above. 
E)  None of the above. 
A)  is barbell-shaped 
B)  is spherical 
C)  can have several lobes in the same plane 
D)  All of the above. 
E)  None of the above.

Question 2

The rows found in the modern period table are called periods.

Accepted Answer

A) True 
 B)False

Question 3

The mass of an object is unaffected by gravity.

Accepted Answer

A) True 
 B)False

Question 4

The elemental symbol for potassium is ____.

Accepted Answer

A)  S 
B)  Se 
C)  Na 
D)  K 
E)  P 
A)  S 
B)  Se 
C)  Na 
D)  K 
E)  P

Question 5

The elemental symbol for phosphorus is ____.

Accepted Answer

A)  S 
B)  Se 
C)  Na 
D)  K 
E)  P 
A)  S 
B)  Se 
C)  Na 
D)  K 
E)  P

Question 6

The 2nd most abundant element in the human body is _____.

Accepted Answer

A)  iron 
B)  oxygen 
C)  nitrogen 
D)  carbon 
E)  silicon 
A)  iron 
B)  oxygen 
C)  nitrogen 
D)  carbon 
E)  silicon

Question 7

Iron is a good conductor of heat.

Accepted Answer

A) True 
 B)False

Question 8

The n = 4 shell can hold a maximum of ____ electrons.

Accepted Answer

A)  2 
B)  8 
C)  18 
D)  32 
E)  50 
A)  2 
B)  8 
C)  18 
D)  32 
E)  50

Question 9

Mass is the ______.

Accepted Answer

A)  measure of a body's resistance to acceleration 
B)  force due to the pull of gravity on an object 
C)  volume of an object 
D)  All of the above. 
E)  None of the above. 
A)  measure of a body's resistance to acceleration 
B)  force due to the pull of gravity on an object 
C)  volume of an object 
D)  All of the above. 
E)  None of the above.

Question 10

The elemental symbol for sodium is ____.

Accepted Answer

A)  S 
B)  Se 
C)  Na 
D)  K 
E)  P 
A)  S 
B)  Se 
C)  Na 
D)  K 
E)  P

Question 11

Neutral elements will always have an equal number of protons and electrons.

Accepted Answer

A) True 
 B)False

Question 12

Carbon is a metalloid.

Accepted Answer

A) True 
 B)False

Question 13

Cobalt is a poor conductor of heat.

Accepted Answer

A) True 
 B)False

Question 14

Zinc is a metal.

Accepted Answer

A) True 
 B)False

Question 15

Sodium has an atomic mass of 22 and possesses 11 protons. The number of neutrons belonging to sodium is ____.

Accepted Answer

A)  12 
B)  16 
C)  11 
D)  20 
E)  None of the above. 
A)  12 
B)  16 
C)  11 
D)  20 
E)  None of the above.

Question 16

The 2nd most abundant element in the Earth's crust is _____.

Accepted Answer

A)  iron 
B)  oxygen 
C)  nitrogen 
D)  carbon 
E)  silicon 
A)  iron 
B)  oxygen 
C)  nitrogen 
D)  carbon 
E)  silicon

Question 17

Sulfur is a poor conductor of heat.

Accepted Answer

A) True 
 B)False

Question 18

The rows found in the modern period table are called groups.

Accepted Answer

A) True 
 B)False

Question 19

Niels Bohr proposed that electrons occupy well-defined orbits.

Accepted Answer

A) True 
 B)False

Question 20

The atomic mass is a subatomic particle.

Accepted Answer

A) True 
 B)False

The d orbital ______.

The rows found in the modern period table are called periods.

The mass of an object is unaffected by gravity.

The elemental symbol for potassium is ____.

The elemental symbol for phosphorus is ____.

The 2^nd most abundant element in the human body is _____.

Iron is a good conductor of heat.

The n = 4 shell can hold a maximum of ____ electrons.

Mass is the ______.

The elemental symbol for sodium is ____.

Neutral elements will always have an equal number of protons and electrons.

Carbon is a metalloid.

Cobalt is a poor conductor of heat.

Zinc is a metal.

Sodium has an atomic mass of 22 and possesses 11 protons. The number of neutrons belonging to sodium is ____.

The 2^nd most abundant element in the Earth's crust is _____.

Sulfur is a poor conductor of heat.

The rows found in the modern period table are called groups.

Niels Bohr proposed that electrons occupy well-defined orbits.

The atomic mass is a subatomic particle.

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Exam 2: Atoms and Elements

The d orbital ______.

The rows found in the modern period table are called periods.

The mass of an object is unaffected by gravity.

The elemental symbol for potassium is ____.

The elemental symbol for phosphorus is ____.

The 2nd most abundant element in the human body is _____.

Iron is a good conductor of heat.

The n = 4 shell can hold a maximum of ____ electrons.

Mass is the ______.

The elemental symbol for sodium is ____.

Neutral elements will always have an equal number of protons and electrons.

Carbon is a metalloid.

Cobalt is a poor conductor of heat.

Zinc is a metal.

Sodium has an atomic mass of 22 and possesses 11 protons. The number of neutrons belonging to sodium is ____.

The 2nd most abundant element in the Earth's crust is _____.

Sulfur is a poor conductor of heat.

The rows found in the modern period table are called groups.

Niels Bohr proposed that electrons occupy well-defined orbits.

The atomic mass is a subatomic particle.

Chemistry in Our World

Chemicals and Compounds

Energy and Society

Energy of Foods

Physical and Chemical Changes

Water and Other Solutions

Acid and Bases

Nuclear Chemistry

Energy From Electron Transfer

Cleaning Agents, Personal Care, and Cosmetics

Genes, Medicines and Drugs

Plastics, Pollution, and Sustainability

Micronutrients, Food Additives, and Food Safety

Filters

The 2^nd most abundant element in the human body is _____.

The 2^nd most abundant element in the Earth's crust is _____.