Question 1

A nuclear reaction typically changes the identity of the element involved.

Accepted Answer

A) True 
 B)False

Question 2

How many protons and neutrons are in   S?

Accepted Answer

A) 16 p and 34 n 
B) 16 n and 34 p 
C) 16 n and 18 p 
D) 16 p and 18 n 
E) none of the above 
A) 16 p and 34 n 
B) 16 n and 34 p 
C) 16 n and 18 p 
D) 16 p and 18 n 
E) none of the above

Question 3

Radon-219 decays to radon-218 by releasing:

Accepted Answer

A)    e. 
B) gamma rays. 
C)    n. 
D)    e. 
E) none of the above 
A)    e. 
B) gamma rays. 
C)    n. 
D)    e. 
E) none of the above

Question 4

The symbol for a positron is   e.

Accepted Answer

A) True 
 B)False

Question 5

Suppose a   Po daughter nuclide was obtained after the alpha decay of a parent nuclide.The symbol of the original parent element is:

Accepted Answer

A) Po 
B) Pb 
C) Ra 
D) Rn 
E) none of the above 
A) Po 
B) Pb 
C) Ra 
D) Rn 
E) none of the above

Question 6

A scintillation counter detects radioactivity by:

Accepted Answer

A) developing film which is exposed by radioactive particles. 
B) emission of light from a NaI crystal when radioactivity passes through the crystal. 
C) ionization of argon gas in a chamber which produces an electrical signal. 
D) analyzing the mass and velocity of each particle. 
E) none of the above 
A) developing film which is exposed by radioactive particles. 
B) emission of light from a NaI crystal when radioactivity passes through the crystal. 
C) ionization of argon gas in a chamber which produces an electrical signal. 
D) analyzing the mass and velocity of each particle. 
E) none of the above

Question 7

Which type of emission has a negative charge?

Accepted Answer

A) alpha 
B) beta 
C) positron 
D) gamma 
E) none of the above 
A) alpha 
B) beta 
C) positron 
D) gamma 
E) none of the above

Question 8

The self-amplifying reaction in which neutrons produced by the fission of one nucleus would induce fission in other nuclei is called:

Accepted Answer

A) critical mass. 
B) chain reaction. 
C) nuclear fusion. 
D) positron emission. 
E) none of the above 
A) critical mass. 
B) chain reaction. 
C) nuclear fusion. 
D) positron emission. 
E) none of the above

Question 9

During beta decay,neutrons are converted to protons and electrons.

Accepted Answer

A) True 
 B)False

Question 10

Isotope scanning involves:

Accepted Answer

A) radioactive isotopes that are used in place of x-rays. 
B) radioactive isotopes that are absorbed by specific organs. 
C) destroying cancerous cells by intense radiation levels. 
D) acute radiation exposure. 
E) none of the above 
A) radioactive isotopes that are used in place of x-rays. 
B) radioactive isotopes that are absorbed by specific organs. 
C) destroying cancerous cells by intense radiation levels. 
D) acute radiation exposure. 
E) none of the above

Question 11

Which type of particle can be emitted by an unstable nucleus?

Accepted Answer

A)    He 
B)    e 
C)    e 
D) all of the above 
E) none of the above 
A)    He 
B)    e 
C)    e 
D) all of the above 
E) none of the above

Question 12

What happens to the atomic number of a nucleus that emits a positron?

Accepted Answer

A) It remains the same. 
B) It increases by one. 
C) It decreases by one. 
D) It increases by two. 
E) It decreases by two. 
A) It remains the same. 
B) It increases by one. 
C) It decreases by one. 
D) It increases by two. 
E) It decreases by two.

Question 13

Radioactive particles can pass through matter.

Accepted Answer

A) True 
 B)False

Question 14

When   Ac undergoes beta decay,what is the atomic number of the element that is produced?

Accepted Answer

A) 87 
B) 90 
C) 88 
D) 91 
E) none of the above 
A) 87 
B) 90 
C) 88 
D) 91 
E) none of the above

Question 15

Carbon-14 dating is not dependable when attempting to date objects that are more than 50,000 years old.

Accepted Answer

A) True 
 B)False

Question 16

All unstable elements have the same rates of radioactive decay.

Accepted Answer

A) True 
 B)False

Question 17

What is the main product when   Pa undergoes alpha decay?

Accepted Answer

A)    Pu 
B)    Ac 
C)    Ac 
D)    Ac 
E) none of the above 
A)    Pu 
B)    Ac 
C)    Ac 
D)    Ac 
E) none of the above

Question 18

The combination of two light nuclei to form a heavier one is known as nuclear fission.

Accepted Answer

A) True 
 B)False

Question 19

Radioactivity is the emission of tiny,invisible radio signals by the nuclei of certain atoms.

Accepted Answer

A) True 
 B)False

Question 20

All elements with atomic numbers above bismuth are naturally radioactive.

Accepted Answer

A) True 
 B)False

A nuclear reaction typically changes the identity of the element involved.

How many protons and neutrons are in S?

Radon-219 decays to radon-218 by releasing:

The symbol for a positron is e.

Suppose a Po daughter nuclide was obtained after the alpha decay of a parent nuclide.The symbol of the original parent element is:

A scintillation counter detects radioactivity by:

Which type of emission has a negative charge?

The self-amplifying reaction in which neutrons produced by the fission of one nucleus would induce fission in other nuclei is called:

During beta decay,neutrons are converted to protons and electrons.

Isotope scanning involves:

Which type of particle can be emitted by an unstable nucleus?

What happens to the atomic number of a nucleus that emits a positron?

Radioactive particles can pass through matter.

When Ac undergoes beta decay,what is the atomic number of the element that is produced?

Carbon-14 dating is not dependable when attempting to date objects that are more than 50,000 years old.

All unstable elements have the same rates of radioactive decay.

What is the main product when Pa undergoes alpha decay?

The combination of two light nuclei to form a heavier one is known as nuclear fission.

Radioactivity is the emission of tiny,invisible radio signals by the nuclei of certain atoms.

All elements with atomic numbers above bismuth are naturally radioactive.

The Chemical World

Measurement and Problem Solving

Matter and Energy

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids, solids, and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Organic Chemistry

Biochemistry

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Exam 17: Radioactivity and Nuclear Chemistry

A nuclear reaction typically changes the identity of the element involved.

How many protons and neutrons are in S?

Radon-219 decays to radon-218 by releasing:

The symbol for a positron is e.

Suppose a Po daughter nuclide was obtained after the alpha decay of a parent nuclide.The symbol of the original parent element is:

A scintillation counter detects radioactivity by:

Which type of emission has a negative charge?

The self-amplifying reaction in which neutrons produced by the fission of one nucleus would induce fission in other nuclei is called:

During beta decay,neutrons are converted to protons and electrons.

Isotope scanning involves:

Which type of particle can be emitted by an unstable nucleus?

What happens to the atomic number of a nucleus that emits a positron?

Radioactive particles can pass through matter.

When Ac undergoes beta decay,what is the atomic number of the element that is produced?

Carbon-14 dating is not dependable when attempting to date objects that are more than 50,000 years old.

All unstable elements have the same rates of radioactive decay.

What is the main product when Pa undergoes alpha decay?

The combination of two light nuclei to form a heavier one is known as nuclear fission.

Radioactivity is the emission of tiny,invisible radio signals by the nuclei of certain atoms.

All elements with atomic numbers above bismuth are naturally radioactive.

The Chemical World

Measurement and Problem Solving

Matter and Energy

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids, solids, and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Organic Chemistry

Biochemistry

Filters