Question 1

Deuterium has one proton and ____ neutron(s).

Accepted Answer

A)  zero 
B)  one 
C)  two 
D)  three 
E)  None of the above. 
A)  zero 
B)  one 
C)  two 
D)  three 
E)  None of the above.

Question 2

Cl-17 and Cl-18 have the same number of protons.

Accepted Answer

A) True 
 B)False

Question 3

Select the scientist that developed a newer model of the atom based on quantum mechanics.

Accepted Answer

A)  Erwin Schrödinger 
B)  Max Born 
C)  Werner Heisenberg 
D)  All of the above. 
E)  None of the above. 
A)  Erwin Schrödinger 
B)  Max Born 
C)  Werner Heisenberg 
D)  All of the above. 
E)  None of the above.

Question 4

Sulfur has _____protons, _____electrons, and ______neutrons.

Accepted Answer

A)  16, 16, 16 
B)  8, 8, 8 
C)  6, 6, 6 
D)  7, 7, 7 
E)  None of the above. 
A)  16, 16, 16 
B)  8, 8, 8 
C)  6, 6, 6 
D)  7, 7, 7 
E)  None of the above.

Question 5

J. J. Thomson is the scientist who proposed the "plum pudding" model for the atom.

Accepted Answer

A) True 
 B)False

Question 6

Why does a person weigh the same in one state as opposed to travelling to another state in the same day?

Accepted Answer

A)  The gravity on Earth is not constant. 
B)  Earth's gravity is constant. 
C)  Sometimes Earth lacks gravity. 
D)  There is no gravity on Earth. 
E)  None of the above. 
A)  The gravity on Earth is not constant. 
B)  Earth's gravity is constant. 
C)  Sometimes Earth lacks gravity. 
D)  There is no gravity on Earth. 
E)  None of the above.

Question 7

According to the modern periodic table, bromine naturally occurs as a liquid.

Accepted Answer

A) True 
 B)False

Question 8

Isotopes are atoms of the same element that differ in the number of ____.

Accepted Answer

A)  protons 
B)  neutrons 
C)  electrons 
D)  All of the above. 
E)  None of the above. 
A)  protons 
B)  neutrons 
C)  electrons 
D)  All of the above. 
E)  None of the above.

Question 9

The 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 10

Cl-17 and Cl-18 have the same number of neutrons.

Accepted Answer

A) True 
 B)False

Question 11

The number of protons in hydrogen is equal to the number of neutrons it possesses.

Accepted Answer

A) True 
 B)False

Question 12

Electrons can be represented as e or e+.

Accepted Answer

A) True 
 B)False

Question 13

C-13 has less mass than C-14.

Accepted Answer

A) True 
 B)False

Question 14

Carbon and germanium should have similar chemical properties.

Accepted Answer

A) True 
 B)False

Question 15

The subatomic particle that is positively charged is the ______.

Accepted Answer

A)  proton 
B)  electron 
C)  neutron 
D)  atom 
E)  None of the above. 
A)  proton 
B)  electron 
C)  neutron 
D)  atom 
E)  None of the above.

Question 16

Which of the following is a compound?

Accepted Answer

A)  S 
B)  Cl 
C)  C6H12O6 
D)  All of the above. 
E)  None of the above. 
A)  S 
B)  Cl 
C)  C6H12O6 
D)  All of the above. 
E)  None of the above.

Question 17

Tritium has one proton and ____ neutron(s).

Accepted Answer

A)  zero 
B)  one 
C)  two 
D)  three 
E)  None of the above. 
A)  zero 
B)  one 
C)  two 
D)  three 
E)  None of the above.

Question 18

The nucleus's radius is extremely small in comparison to the total volume of the atom.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is an element?

Accepted Answer

A)  SeO2 
B)  HCl 
C)  Fe 
D)  Ne 
E)  c and d 
A)  SeO2 
B)  HCl 
C)  Fe 
D)  Ne 
E)  c and d

Question 20

On planet Earth, person A has a mass of 75.0 kg. This same person on the moon will have _____.

Accepted Answer

A)  the same weight 
B)  a different weight 
C)  the same mass 
D)  a different mass 
E)  B and C. 
A)  the same weight 
B)  a different weight 
C)  the same mass 
D)  a different mass 
E)  B and C.

Deuterium has one proton and ____ neutron(s).

Cl-17 and Cl-18 have the same number of protons.

Select the scientist that developed a newer model of the atom based on quantum mechanics.

Sulfur has ___protons, _electrons, and ____neutrons.

J. J. Thomson is the scientist who proposed the "plum pudding" model for the atom.

Why does a person weigh the same in one state as opposed to travelling to another state in the same day?

According to the modern periodic table, bromine naturally occurs as a liquid.

Isotopes are atoms of the same element that differ in the number of ____.

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

Cl-17 and Cl-18 have the same number of neutrons.

The number of protons in hydrogen is equal to the number of neutrons it possesses.

Electrons can be represented as e or e⁺.

C-13 has less mass than C-14.

Carbon and germanium should have similar chemical properties.

The subatomic particle that is positively charged is the ______.

Which of the following is a compound?

Tritium has one proton and ____ neutron(s).

The nucleus's radius is extremely small in comparison to the total volume of the atom.

Which of the following is an element?

On planet Earth, person A has a mass of 75.0 kg. This same person on the moon will have _____.

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Exam 2: Atoms and Elements

Deuterium has one proton and ____ neutron(s).

Cl-17 and Cl-18 have the same number of protons.

Select the scientist that developed a newer model of the atom based on quantum mechanics.

Sulfur has _____protons, _____electrons, and ______neutrons.

J. J. Thomson is the scientist who proposed the "plum pudding" model for the atom.

Why does a person weigh the same in one state as opposed to travelling to another state in the same day?

According to the modern periodic table, bromine naturally occurs as a liquid.

Isotopes are atoms of the same element that differ in the number of ____.

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

Cl-17 and Cl-18 have the same number of neutrons.

The number of protons in hydrogen is equal to the number of neutrons it possesses.

Electrons can be represented as e or e+.

C-13 has less mass than C-14.

Carbon and germanium should have similar chemical properties.

The subatomic particle that is positively charged is the ______.

Which of the following is a compound?

Tritium has one proton and ____ neutron(s).

The nucleus's radius is extremely small in comparison to the total volume of the atom.

Which of the following is an element?

On planet Earth, person A has a mass of 75.0 kg. This same person on the moon will have _____.

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

Sulfur has ___protons, _electrons, and ____neutrons.

Electrons can be represented as e or e⁺.