Question 1

Which of the following is considered to be a radioactive isotope of hydrogen?

Accepted Answer

A) .1H 
B) .2H 
C) .3H 
D) all of these are unstable 
E) none of these are unstable 
A) .1H 
B) .2H 
C) .3H 
D) all of these are unstable 
E) none of these are unstable

Question 2

Which product is formed by alpha emission from polonium-208? The atomic number of polonium is 84.

Accepted Answer

A)   At 
B)   Rn 
C)   Pb 
D)   Bi 
E)   Po 
A)   At 
B)   Rn 
C)   Pb 
D)   Bi 
E)   Po

Question 3

Which nuclear reaction is not balanced?

Accepted Answer

A)   B + He → N + N 
B)   U + He → Am + N 
C)   Ar + H → K + N 
D)   N + He → O + H 
E) none of the above 
A)   B + He → N + N 
B)   U + He → Am + N 
C)   Ar + H → K + N 
D)   N + He → O + H 
E) none of the above

Question 4

When a radioactive isotope decays into a nucleus which is also unstable and undergoes decay,and this process is repeated several times,the succession of reactions is called a

Accepted Answer

A) decay series. 
B) fission reaction. 
C) fusion reaction. 
D) half-life. 
E) none of these 
A) decay series. 
B) fission reaction. 
C) fusion reaction. 
D) half-life. 
E) none of these

Question 5

You obtain a new sample of cobalt-60,half-life 5.25 years,with a mass of 400.mg.How much cobalt-60 remains after 15.75 years?

Accepted Answer

The answer of You obtain a new sample of cobalt-60,half-life...

Question 6

Discuss the harmful effects of ionizing radiation on the human body,including the factors affecting the degree of harm and the protective measures that can be used to minimize exposure.

Accepted Answer

The harmful effects of ionizing radiatio

Question 7

Which of the following has the highest ionizing power?

Accepted Answer

A) alpha 
B) gamma 
C) beta 
D) proton 
A) alpha 
B) gamma 
C) beta 
D) proton

Question 8

All of the statements about nuclear reactions are true except

Accepted Answer

A) nuclear reactions involve changes in the nucleus of an atom. 
B) the rate of a nuclear reaction is increased by the addition of a catalyst. 
C) a nuclear reaction is unaffected by the chemical state of the atoms involved. 
D) nuclear reactions of the same element vary according to which isotope is involved. 
E) energy changes in nuclear reactions are much greater than in ordinary chemical reactions. 
A) nuclear reactions involve changes in the nucleus of an atom. 
B) the rate of a nuclear reaction is increased by the addition of a catalyst. 
C) a nuclear reaction is unaffected by the chemical state of the atoms involved. 
D) nuclear reactions of the same element vary according to which isotope is involved. 
E) energy changes in nuclear reactions are much greater than in ordinary chemical reactions.

Question 9

Which of these can be considered as the combination of a proton and an electron?

Accepted Answer

A) alpha particle 
B) neutron 
C) beta particle 
D) gamma ray 
E) positron 
A) alpha particle 
B) neutron 
C) beta particle 
D) gamma ray 
E) positron

Question 10

Radioisotopes which emit alpha rays make the best diagnostic tracers.

Accepted Answer

A) True 
 B)False

Question 11

When a nucleus is bombarded with particles and breaks into two similarly sized nuclei plus one or more small particles,the process is called

Accepted Answer

A) fission. 
B) fusion. 
C) spontaneous decay. 
D) induced decay. 
E) mutation. 
A) fission. 
B) fusion. 
C) spontaneous decay. 
D) induced decay. 
E) mutation.

Question 12

Which type of radiation is attracted toward a negative plate?

Accepted Answer

A) α 
B) β 
C) γ 
D) α and β 
E) none of these 
A) α 
B) β 
C) γ 
D) α and β 
E) none of these

Exam 11: Nuclear Chemistry

Which of the following is considered to be a radioactive isotope of hydrogen?

Which product is formed by alpha emission from polonium-208? The atomic number of polonium is 84.

Which nuclear reaction is not balanced?

When a radioactive isotope decays into a nucleus which is also unstable and undergoes decay,and this process is repeated several times,the succession of reactions is called a

You obtain a new sample of cobalt-60,half-life 5.25 years,with a mass of 400.mg.How much cobalt-60 remains after 15.75 years?

Discuss the harmful effects of ionizing radiation on the human body,including the factors affecting the degree of harm and the protective measures that can be used to minimize exposure.

Which of the following has the highest ionizing power?

All of the statements about nuclear reactions are true except

Which of these can be considered as the combination of a proton and an electron?

Radioisotopes which emit alpha rays make the best diagnostic tracers.

When a nucleus is bombarded with particles and breaks into two similarly sized nuclei plus one or more small particles,the process is called

Which type of radiation is attracted toward a negative plate?

Matter and Measurements

Atoms and the Periodic Table

Ionic Compounds

Molecular Compounds

Classification and Balancing of Chemical Reactions

Chemical Reactions: Mole and Mass Relationships

Chemical Reactions: Energy, rates, and Equilibrium

Gases, liquids, and Solids

Solutions

Acids and Bases

Introduction to Organic Chemistry: Alkanes

Alkenes, alkynes, and Aromatic Compounds

Some Compounds With Oxygen, sulfur, or a Halogen

Aldehydes and Ketones

Amines

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

Carbohydrates

The Generation of Biochemical Energy

Carbohydrate Metabolism

Lipids

Lipid Metabolism

Protein and Amino Acid Metabolism

Nucleic Acids and Protein Synthesis

Genomics

Chemical Messengers: Hormones, neurotransmitters, and Drugs

Body Fluids

Filters