Question 1

All atoms of a given element have the same __________.

Accepted Answer

A) mass number 
B) number of nucleons 
C) atomic mass 
D) number of neutrons 
E) atomic number 
A) mass number 
B) number of nucleons 
C) atomic mass 
D) number of neutrons 
E) atomic number

Question 2

What order process is radioactive decay?

Accepted Answer

A) zeroth 
B) first 
C) second 
D) third 
E) fourth 
A) zeroth 
B) first 
C) second 
D) third 
E) fourth

Question 3

The relative biological effectiveness (RBE)values of beta rays, gamma rays, and alpha rays are, respectively

Accepted Answer

The answer of The relative biological effectiveness (RBE)values of beta...

Question 4

In balancing the nuclear reaction   U →   E +   He, the identity of element E is __________.

Accepted Answer

A) Pu 
B) Np 
C) U 
D) Pa 
E) Th 
A) Pu 
B) Np 
C) U 
D) Pa 
E) Th

Question 5

Conversion of one nucleus into another was first demonstrated in 1919 by __________.

Accepted Answer

The answer of Conversion of one nucleus into another was...

Question 6

Which of the following correctly represents the transmutation in which neptunium-239 is produced via bombardment of uranium-238 with a neutron?

Accepted Answer

A)    U(   n,   e)   Np 
B)    U(   n,   p)   Np 
C)    U(   n, γ)   Np 
D)    U(   n,   α)   Np 
E)    U(   n,   n)   Np 
A)    U(   n,   e)   Np 
B)    U(   n,   p)   Np 
C)    U(   n, γ)   Np 
D)    U(   n,   α)   Np 
E)    U(   n,   n)   Np

Question 7

Carbon-11 is used in medical imaging. The half-life of this radioisotope is 20.4 min. What percentage of a sample remains after 60.0 min?

Accepted Answer

A) 71.2 
B) 5.28 
C) 13.0 
D) 34.0 
E) 2.94 
A) 71.2 
B) 5.28 
C) 13.0 
D) 34.0 
E) 2.94

Question 8

The missing product from this reaction is __________.   Cl + _____ →   Ar +   e

Accepted Answer

A)    He 
B)    e 
C)    n 
D)    e 
E)    γ 
A)    He 
B)    e 
C)    n 
D)    e 
E)    γ

Question 9

Which one of the following devices converts radioactive emissions to light for detection?

Accepted Answer

A) Geiger counter 
B) photographic film 
C) scintillation counter 
D) none of the above 
E) radiotracer 
A) Geiger counter 
B) photographic film 
C) scintillation counter 
D) none of the above 
E) radiotracer

Question 10

What is the largest number of protons that can exist in a nucleus and still be stable?

Accepted Answer

A) 206 
B) 50 
C) 92 
D) 83 
E) 84 
A) 206 
B) 50 
C) 92 
D) 83 
E) 84

Question 11

By what process does thorium-230 decay to radium-226?

Accepted Answer

A) gamma emission 
B) alpha emission 
C) beta emission 
D) electron capture 
E) positron emission 
A) gamma emission 
B) alpha emission 
C) beta emission 
D) electron capture 
E) positron emission

Question 12

Due to the nature of the positron, __________ is actually detected in positron emission tomography.

Accepted Answer

A) alpha radiation 
B) beta radiation 
C) gamma radiation 
D) x-ray emission 
E) neutron emission 
A) alpha radiation 
B) beta radiation 
C) gamma radiation 
D) x-ray emission 
E) neutron emission

Question 13

The use of radioisotopes in tracing metabolism is possible because __________.

Accepted Answer

all isotopes of an e

Question 14

The neutron/proton ratio of stable nuclei increases with increasing atomic number.

Accepted Answer

A) True 
 B)False

Question 15

How many radioactive decay series exist in nature?

Accepted Answer

A) 0 
B) 1 
C) 2 
D) 3 
E) 10 
A) 0 
B) 1 
C) 2 
D) 3 
E) 10

Question 16

Radioactive decay is a first order kinetic process.

Accepted Answer

A) True 
 B)False

Question 17

Which one of the following is a correct representation of an alpha particle?

Accepted Answer

A)    He 
B)    H 
C)    H 
D)    e 
E)    H 
A)    He 
B)    H 
C)    H 
D)    e 
E)    H

Question 18

What percentage of electricity generated in the U.S. is from commercial nuclear plants?

Accepted Answer

A) 1% 
B) 10% 
C) 19% 
D) 50% 
E) 90% 
A) 1% 
B) 10% 
C) 19% 
D) 50% 
E) 90%

Question 19

Positron emission causes a decrease of one in the atomic number.

Accepted Answer

A) True 
 B)False

Question 20

Nuclei above the belt of stability can lower their neutron-to-proton ratio by __________.

Accepted Answer

A) beta emission 
B) gamma emission 
C) positron emission 
D) electron capture 
E) Any of the above processes will lower the neutron-to-proton ratio. 
A) beta emission 
B) gamma emission 
C) positron emission 
D) electron capture 
E) Any of the above processes will lower the neutron-to-proton ratio.

Exam 21: Nuclear Chemistry

All atoms of a given element have the same __________.

What order process is radioactive decay?

The relative biological effectiveness (RBE)values of beta rays, gamma rays, and alpha rays are, respectively

In balancing the nuclear reaction U → E + He, the identity of element E is __________.

Conversion of one nucleus into another was first demonstrated in 1919 by __________.

Which of the following correctly represents the transmutation in which neptunium-239 is produced via bombardment of uranium-238 with a neutron?

Carbon-11 is used in medical imaging. The half-life of this radioisotope is 20.4 min. What percentage of a sample remains after 60.0 min?

The missing product from this reaction is __________. Cl + _____ → Ar + e

Which one of the following devices converts radioactive emissions to light for detection?

What is the largest number of protons that can exist in a nucleus and still be stable?

By what process does thorium-230 decay to radium-226?

Due to the nature of the positron, __________ is actually detected in positron emission tomography.

The use of radioisotopes in tracing metabolism is possible because __________.

The neutron/proton ratio of stable nuclei increases with increasing atomic number.

How many radioactive decay series exist in nature?

Radioactive decay is a first order kinetic process.

Which one of the following is a correct representation of an alpha particle?

What percentage of electricity generated in the U.S. is from commercial nuclear plants?

Positron emission causes a decrease of one in the atomic number.

Nuclei above the belt of stability can lower their neutron-to-proton ratio by __________.

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

The missing product from this reaction is ______. Cl + _ → Ar + e