Question 1

A proton is annihilated when it interacts with which one or more of the following particles?

Accepted Answer

A) An electron. 
B) A neutron. 
C) An antineutron. 
D) An antiproton. 
A) An electron. 
B) A neutron. 
C) An antineutron. 
D) An antiproton.

Question 2

The number of quarks in a proton or a neutron is

Accepted Answer

A) 1. 
B) 2. 
C) 3. 
D) 4. 
A) 1. 
B) 2. 
C) 3. 
D) 4.

Question 3

The number of major accidents that have occurred at nuclear power plants is

Accepted Answer

A) 3. 
B) 12. 
C) 20. 
D) 88. 
A) 3. 
B) 12. 
C) 20. 
D) 88.

Question 4

The chemical behavior of an atom is determined by its

Accepted Answer

A) atomic number. 
B) mass number. 
C) binding energy. 
D) number of isotopes. 
A) atomic number. 
B) mass number. 
C) binding energy. 
D) number of isotopes.

Question 5

As a sample of a radioactive nuclide decays, its half-life

Accepted Answer

A) decreases. 
B) remains the same. 
C) increases. 
D) Any of these choices could be correct, depending upon the nuclide. 
A) decreases. 
B) remains the same. 
C) increases. 
D) Any of these choices could be correct, depending upon the nuclide.

Question 6

The product of the gamma decay of the strontium isotope   is

Accepted Answer

A)    . 
B)    . 
C)    . 
D)    . 
A)    . 
B)    . 
C)    . 
D)    .

Question 7

Of the following particles, the one with the greatest mass is the

Accepted Answer

A) electron. 
B) proton. 
C) neutron. 
D) neutrino. 
A) electron. 
B) proton. 
C) neutron. 
D) neutrino.

Question 8

The number of neutrons in a nucleus

Accepted Answer

A) is less than the number of protons it contains. 
B) is the same as the number of protons it contains. 
C) is more than the number of protons it contains. 
D) Any of the above, depending on the nucleus. 
A) is less than the number of protons it contains. 
B) is the same as the number of protons it contains. 
C) is more than the number of protons it contains. 
D) Any of the above, depending on the nucleus.

Question 9

A chain reaction does not occur in

Accepted Answer

A) ordinary nuclear reactors. 
B) breeder reactors. 
C) fusion reactors. 
D) fission nuclear weapons. 
A) ordinary nuclear reactors. 
B) breeder reactors. 
C) fusion reactors. 
D) fission nuclear weapons.

Question 10

The unit in which atomic masses are usually expressed is the

Accepted Answer

A) gram. 
B) eV. 
C) u. 
D) quark. 
A) gram. 
B) eV. 
C) u. 
D) quark.

Question 11

When a nucleus of the copper isotope   emits a positron, it becomes

Accepted Answer

A)    . 
B)    . 
C)    . 
D)    . 
A)    . 
B)    . 
C)    . 
D)    .

Question 12

The sievert is a unit of

Accepted Answer

A) radioactivity. 
B) half-life. 
C) particle energy. 
D) radiation dosage. 
A) radioactivity. 
B) half-life. 
C) particle energy. 
D) radiation dosage.

Question 13

Which of the following is not an isotope of hydrogen?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 14

An atomic nucleus has a mass that is

Accepted Answer

A) less than the total mass of its constituent nucleons. 
B) the same as the total mass of its constituent nucleons. 
C) more than the total mass of its constituent nucleons. 
D) Any of theses choices could be correct, depending on the nucleus. 
A) less than the total mass of its constituent nucleons. 
B) the same as the total mass of its constituent nucleons. 
C) more than the total mass of its constituent nucleons. 
D) Any of theses choices could be correct, depending on the nucleus.

Question 15

The particle that most resembles the proton is the

Accepted Answer

A) positron. 
B) neutron. 
C) antiproton. 
D) quark. 
A) positron. 
B) neutron. 
C) antiproton. 
D) quark.

Question 16

The process of pair production cannot produce

Accepted Answer

A) a proton and an antiproton. 
B) a neutron and an antineutron. 
C) a neutron and a neutrino. 
D) an electron and a positron. 
A) a proton and an antiproton. 
B) a neutron and an antineutron. 
C) a neutron and a neutrino. 
D) an electron and a positron.

Question 17

A particle never emitted in beta decay is the

Accepted Answer

A) neutron. 
B) neutrino. 
C) electron. 
D) positron. 
A) neutron. 
B) neutrino. 
C) electron. 
D) positron.

Question 18

A nuclear reactor itself does not produce

Accepted Answer

A) electricity. 
B) neutrons. 
C) radiation. 
D) plutonium. 
A) electricity. 
B) neutrons. 
C) radiation. 
D) plutonium.

Question 19

Protons and neutrons are held together to form nuclei by the

Accepted Answer

A) gravitational interaction. 
B) strong interaction. 
C) weak interaction. 
D) electromagnetic interaction. 
A) gravitational interaction. 
B) strong interaction. 
C) weak interaction. 
D) electromagnetic interaction.

A proton is annihilated when it interacts with which one or more of the following particles?

The number of quarks in a proton or a neutron is

The number of major accidents that have occurred at nuclear power plants is

The chemical behavior of an atom is determined by its

As a sample of a radioactive nuclide decays, its half-life

The product of the gamma decay of the strontium isotope is

Of the following particles, the one with the greatest mass is the

The number of neutrons in a nucleus

A chain reaction does not occur in

The unit in which atomic masses are usually expressed is the

When a nucleus of the copper isotope emits a positron, it becomes

The sievert is a unit of

Which of the following is not an isotope of hydrogen?

An atomic nucleus has a mass that is

The particle that most resembles the proton is the

The process of pair production cannot produce

A particle never emitted in beta decay is the

A nuclear reactor itself does not produce

Protons and neutrons are held together to form nuclei by the

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Exam 8: The Nucleus

A proton is annihilated when it interacts with which one or more of the following particles?

The number of quarks in a proton or a neutron is

The number of major accidents that have occurred at nuclear power plants is

The chemical behavior of an atom is determined by its

As a sample of a radioactive nuclide decays, its half-life

The product of the gamma decay of the strontium isotope is

Of the following particles, the one with the greatest mass is the

The number of neutrons in a nucleus

A chain reaction does not occur in

The unit in which atomic masses are usually expressed is the

When a nucleus of the copper isotope emits a positron, it becomes

The sievert is a unit of

Which of the following is not an isotope of hydrogen?

An atomic nucleus has a mass that is

The particle that most resembles the proton is the

The process of pair production cannot produce

A particle never emitted in beta decay is the

A nuclear reactor itself does not produce

Protons and neutrons are held together to form nuclei by the

The Scientific Method

Motion

Energy

Energy and the Future

Matter and Heat

Electricity and Magnetism

Waves

The Atom

The Periodic Law

Crystals, Ions, and Solutions

Chemical Reactions

Organic Chemistry

Atmosphere and Hydrosphere

The Rock Cycle

The Evolving Earth

The Solar System

The Stars

The Universe

Filters