Question 1

Alpha particles will penetrate much farther into a sample than beta particles will.

Accepted Answer

A) True 
 B)False

Question 2

Give a use for depleted uranium.

Accepted Answer

A) design jewelry 
B) form car bodies 
C) make coins 
D) make armor plating 
A) design jewelry 
B) form car bodies 
C) make coins 
D) make armor plating

Question 3

Gamma rays can be stopped by

Accepted Answer

A) a sheet of paper. 
B) a thin aluminum sheet. 
C) a block of wood. 
D) several centimeters of lead. 
A) a sheet of paper. 
B) a thin aluminum sheet. 
C) a block of wood. 
D) several centimeters of lead.

Question 4

Rank the penetrating power of nuclear radiation from the least to most penetrating.

Accepted Answer

(Most penetrating)Ga

Question 5

The ratio of different isotopes of an element,such as oxygen-16 and oxygen-18,will always be the same.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following isotopes is NOT considered to be a major threat to human health from nuclear fallout?

Accepted Answer

A) cesium-137 
B) hydrogen-2 
C) iodine-131 
D) strontium-90 
A) cesium-137 
B) hydrogen-2 
C) iodine-131 
D) strontium-90

Question 7

Cosmic rays are

Accepted Answer

A) high energy radiation produced by the sun. 
B) high energy radiation produced in the ozone layer. 
C) high energy radiation produced by the earth's core. 
D) none of these 
A) high energy radiation produced by the sun. 
B) high energy radiation produced in the ozone layer. 
C) high energy radiation produced by the earth's core. 
D) none of these

Question 8

Compare and contrast nuclear fission and nuclear fusion.

Accepted Answer

Fission is the splitting of a

Question 9

Uranium-238 can undergo nuclear fission,but uranium-235 does not.

Accepted Answer

A) True 
 B)False

Question 10

Nuclear fission is a process by which the nucleus of an atom

Accepted Answer

A) splits into two or more fragments spontaneously. 
B) is induced to split into two or more fragments by some external source. 
C) combines with another nucleus to produce a larger nucleus. 
D) loses a proton with the release of a large amount of energy. 
A) splits into two or more fragments spontaneously. 
B) is induced to split into two or more fragments by some external source. 
C) combines with another nucleus to produce a larger nucleus. 
D) loses a proton with the release of a large amount of energy.

Question 11

Which of the following was NOT a goal of the Manhattan project?

Accepted Answer

A) to isolate enriched uranium-235 
B) to produce plutonium-239 
C) constructing a bomb based on nuclear fission 
D) to determine the amount of uranium-235 needed for an atomic power plant 
A) to isolate enriched uranium-235 
B) to produce plutonium-239 
C) constructing a bomb based on nuclear fission 
D) to determine the amount of uranium-235 needed for an atomic power plant

Question 12

Which of the following statements about transmutation is true? In transmutation,

Accepted Answer

A) an atom of gold will be produced. 
B) the original element changes into a different element. 
C) the particles in the nucleus of the product are the same as the particles in the nucleus of the starting atom. 
D) you need to balance electrons. 
A) an atom of gold will be produced. 
B) the original element changes into a different element. 
C) the particles in the nucleus of the product are the same as the particles in the nucleus of the starting atom. 
D) you need to balance electrons.

Question 13

Which scientist won a Nobel prize for chemistry in recognition of work involving the structure of proteins,and the Nobel prize for peace for efforts in controlling nuclear weapons?

Accepted Answer

A) Bill Nye 
B) Linus Pauling 
C) Max Planck 
D) Glenn Seaborg 
A) Bill Nye 
B) Linus Pauling 
C) Max Planck 
D) Glenn Seaborg

Question 14

The radioactive decay of ⁹⁹ᵐTc to ⁹⁹Tc MUST occur with the emission of

Accepted Answer

A) an alpha particle alone. 
B) two beta particles. 
C) a gamma ray alone. 
D) the combination of a beta particle and a gamma ray. 
A) an alpha particle alone. 
B) two beta particles. 
C) a gamma ray alone. 
D) the combination of a beta particle and a gamma ray.

Question 15

With the discovery of nuclear reactions,and particularly transmutation,which postulates of Dalton's atomic theory must be modified?

Accepted Answer

A) Matter is composed of atoms. 
B) Atoms of the same element are the same; atoms of different elements are different. 
C) Atoms combine with other atoms in fixed, whole number ratios. 
D) Atoms may not be changed into other atoms. 
A) Matter is composed of atoms. 
B) Atoms of the same element are the same; atoms of different elements are different. 
C) Atoms combine with other atoms in fixed, whole number ratios. 
D) Atoms may not be changed into other atoms.

Question 16

Radioisotopes have been used to determine the age of all of the following EXCEPT

Accepted Answer

A) brandy. 
B) cloth. 
C) living plants. 
D) wood. 
A) brandy. 
B) cloth. 
C) living plants. 
D) wood.

Question 17

The most stable elements have

Accepted Answer

A) a high binding energy per nucleon. 
B) a low binding energy per nucleon. 
C) a high proton to neutron ratio. 
D) an atomic number above 92. 
A) a high binding energy per nucleon. 
B) a low binding energy per nucleon. 
C) a high proton to neutron ratio. 
D) an atomic number above 92.

Question 18

Radioactive dating can only be used to date very old objects.

Accepted Answer

A) True 
 B)False

Question 19

The nucleon number decreases by 4 during what type of radioactive decay?

Accepted Answer

A) beta decay 
B) alpha decay 
C) gamma radiation 
D) positron emission 
A) beta decay 
B) alpha decay 
C) gamma radiation 
D) positron emission

Question 20

Which one of the following radioactive isotopes is useful in the investigation of thyroid problems?

Accepted Answer

A) Uranium-235 
B) Barium-120 
C) Iodine-131 
D) Cesium-145 
A) Uranium-235 
B) Barium-120 
C) Iodine-131 
D) Cesium-145

Exam 11: Nuclear Chemistry

Alpha particles will penetrate much farther into a sample than beta particles will.

Give a use for depleted uranium.

Gamma rays can be stopped by

Rank the penetrating power of nuclear radiation from the least to most penetrating.

The ratio of different isotopes of an element,such as oxygen-16 and oxygen-18,will always be the same.

Which of the following isotopes is NOT considered to be a major threat to human health from nuclear fallout?

Cosmic rays are

Compare and contrast nuclear fission and nuclear fusion.

Uranium-238 can undergo nuclear fission,but uranium-235 does not.

Nuclear fission is a process by which the nucleus of an atom

Which of the following was NOT a goal of the Manhattan project?

Which of the following statements about transmutation is true? In transmutation,

Which scientist won a Nobel prize for chemistry in recognition of work involving the structure of proteins,and the Nobel prize for peace for efforts in controlling nuclear weapons?

The radioactive decay of ⁹⁹ᵐTc to ⁹⁹Tc MUST occur with the emission of

With the discovery of nuclear reactions,and particularly transmutation,which postulates of Dalton's atomic theory must be modified?

Radioisotopes have been used to determine the age of all of the following EXCEPT

The most stable elements have

Radioactive dating can only be used to date very old objects.

The nucleon number decreases by 4 during what type of radioactive decay?

Which one of the following radioactive isotopes is useful in the investigation of thyroid problems?

Chemistry

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Atomic Structure

Chemical Bonds

Chemical Accounting

Gases, Liquids, Solids, and Intermolecular Forces

Acids and Bases

Oxidation and Reduction

Organic Chemistry

Polymers

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Energy

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