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If the half-life of vanadium-48 is 16 days,it is true that


A) vanadium-48 is a beta emitter.
B) the decay rate would be different if the chemical environment of vanadium-48 is changed.
C) after 32 days a sample of vanadium-48 would have completely decayed.
D) after 16 days 50% of a sample of vanadium-48 would have decayed.
E) vanadium-48 would decay faster in its first half-life than in later half-lives.

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Which is the best description of an alpha particle?


A) charge +2; mass of 4 amu; high penetrating power
B) charge +2; mass of 4 amu; low penetrating power
C) charge -1; mass of 0 amu; medium penetrating power
D) charge -1; mass of 0 amu; high penetrating power
E) charge 0; mass of 0 amu; high penetrating power

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Match the following. -fusion


A) a unit of measurement of radiation based on the amount of tissue damage; this unit accounts for the different energies of each type of radiation
B) a unit of measurement of radiation based on the number of radioactive events per unit time
C) a unit of measurement of radiation based on the amount of ionization caused by the radiation
D) the joining of small nuclei into a larger nucleus
E) atoms which undergo spontaneous nuclear decay
F) a succession of spontaneous nuclear decays,often resulting in an atom of lead as the final product
G) a nuclear reaction that continues on its own after initiation because the number of neutrons produced is greater than the number of neutrons consumed
H) a nuclear reaction in which a large nucleus is split into two fragments similar in size with additional small particles released
I) atoms which do not undergo spontaneous nuclear decay
J) a general term which refers to particles found in the nucleus
K) a unit of measurement of radiation based on the amount of energy absorbed by a specific mass of sample

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Which reaction is an example of a chain reaction?


A)
Which reaction is an example of a chain reaction? A) Cm → Pu + He B) Cm + He → Cf + N C) U + N → Te + Zr + 3 N D) Ti → V + E E) Sc → Sc + energy
Cm →
Which reaction is an example of a chain reaction? A) Cm → Pu + He B) Cm + He → Cf + N C) U + N → Te + Zr + 3 N D) Ti → V + E E) Sc → Sc + energy
Pu +
Which reaction is an example of a chain reaction? A) Cm → Pu + He B) Cm + He → Cf + N C) U + N → Te + Zr + 3 N D) Ti → V + E E) Sc → Sc + energy
He
B)
Which reaction is an example of a chain reaction? A) Cm → Pu + He B) Cm + He → Cf + N C) U + N → Te + Zr + 3 N D) Ti → V + E E) Sc → Sc + energy
Cm +
Which reaction is an example of a chain reaction? A) Cm → Pu + He B) Cm + He → Cf + N C) U + N → Te + Zr + 3 N D) Ti → V + E E) Sc → Sc + energy
He →
Which reaction is an example of a chain reaction? A) Cm → Pu + He B) Cm + He → Cf + N C) U + N → Te + Zr + 3 N D) Ti → V + E E) Sc → Sc + energy
Cf +
Which reaction is an example of a chain reaction? A) Cm → Pu + He B) Cm + He → Cf + N C) U + N → Te + Zr + 3 N D) Ti → V + E E) Sc → Sc + energy
N
C)
Which reaction is an example of a chain reaction? A) Cm → Pu + He B) Cm + He → Cf + N C) U + N → Te + Zr + 3 N D) Ti → V + E E) Sc → Sc + energy
U +
Which reaction is an example of a chain reaction? A) Cm → Pu + He B) Cm + He → Cf + N C) U + N → Te + Zr + 3 N D) Ti → V + E E) Sc → Sc + energy
N →
Which reaction is an example of a chain reaction? A) Cm → Pu + He B) Cm + He → Cf + N C) U + N → Te + Zr + 3 N D) Ti → V + E E) Sc → Sc + energy
Te +
Which reaction is an example of a chain reaction? A) Cm → Pu + He B) Cm + He → Cf + N C) U + N → Te + Zr + 3 N D) Ti → V + E E) Sc → Sc + energy
Zr + 3
Which reaction is an example of a chain reaction? A) Cm → Pu + He B) Cm + He → Cf + N C) U + N → Te + Zr + 3 N D) Ti → V + E E) Sc → Sc + energy
N
D)
Which reaction is an example of a chain reaction? A) Cm → Pu + He B) Cm + He → Cf + N C) U + N → Te + Zr + 3 N D) Ti → V + E E) Sc → Sc + energy
Ti →
Which reaction is an example of a chain reaction? A) Cm → Pu + He B) Cm + He → Cf + N C) U + N → Te + Zr + 3 N D) Ti → V + E E) Sc → Sc + energy
V +
Which reaction is an example of a chain reaction? A) Cm → Pu + He B) Cm + He → Cf + N C) U + N → Te + Zr + 3 N D) Ti → V + E E) Sc → Sc + energy
E
E)
Which reaction is an example of a chain reaction? A) Cm → Pu + He B) Cm + He → Cf + N C) U + N → Te + Zr + 3 N D) Ti → V + E E) Sc → Sc + energy
Sc →
Which reaction is an example of a chain reaction? A) Cm → Pu + He B) Cm + He → Cf + N C) U + N → Te + Zr + 3 N D) Ti → V + E E) Sc → Sc + energy
Sc + energy

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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?

Correct Answer

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Which reaction is an example of an alpha emission?


A)
Which reaction is an example of an alpha emission? A) Cm → Pu + He B) B + N → Li + He C) U + N → Te + Zr + 2 N D) Ti → V + E E) Sc → Sc + energy
Cm →
Which reaction is an example of an alpha emission? A) Cm → Pu + He B) B + N → Li + He C) U + N → Te + Zr + 2 N D) Ti → V + E E) Sc → Sc + energy
Pu +
Which reaction is an example of an alpha emission? A) Cm → Pu + He B) B + N → Li + He C) U + N → Te + Zr + 2 N D) Ti → V + E E) Sc → Sc + energy
He
B)
Which reaction is an example of an alpha emission? A) Cm → Pu + He B) B + N → Li + He C) U + N → Te + Zr + 2 N D) Ti → V + E E) Sc → Sc + energy
B +
Which reaction is an example of an alpha emission? A) Cm → Pu + He B) B + N → Li + He C) U + N → Te + Zr + 2 N D) Ti → V + E E) Sc → Sc + energy
N →
Which reaction is an example of an alpha emission? A) Cm → Pu + He B) B + N → Li + He C) U + N → Te + Zr + 2 N D) Ti → V + E E) Sc → Sc + energy
Li +
Which reaction is an example of an alpha emission? A) Cm → Pu + He B) B + N → Li + He C) U + N → Te + Zr + 2 N D) Ti → V + E E) Sc → Sc + energy
He
C)
Which reaction is an example of an alpha emission? A) Cm → Pu + He B) B + N → Li + He C) U + N → Te + Zr + 2 N D) Ti → V + E E) Sc → Sc + energy
U +
Which reaction is an example of an alpha emission? A) Cm → Pu + He B) B + N → Li + He C) U + N → Te + Zr + 2 N D) Ti → V + E E) Sc → Sc + energy
N →
Which reaction is an example of an alpha emission? A) Cm → Pu + He B) B + N → Li + He C) U + N → Te + Zr + 2 N D) Ti → V + E E) Sc → Sc + energy
Te +
Which reaction is an example of an alpha emission? A) Cm → Pu + He B) B + N → Li + He C) U + N → Te + Zr + 2 N D) Ti → V + E E) Sc → Sc + energy
Zr + 2
Which reaction is an example of an alpha emission? A) Cm → Pu + He B) B + N → Li + He C) U + N → Te + Zr + 2 N D) Ti → V + E E) Sc → Sc + energy
N
D)
Which reaction is an example of an alpha emission? A) Cm → Pu + He B) B + N → Li + He C) U + N → Te + Zr + 2 N D) Ti → V + E E) Sc → Sc + energy
Ti →
Which reaction is an example of an alpha emission? A) Cm → Pu + He B) B + N → Li + He C) U + N → Te + Zr + 2 N D) Ti → V + E E) Sc → Sc + energy
V +
Which reaction is an example of an alpha emission? A) Cm → Pu + He B) B + N → Li + He C) U + N → Te + Zr + 2 N D) Ti → V + E E) Sc → Sc + energy
E
E)
Which reaction is an example of an alpha emission? A) Cm → Pu + He B) B + N → Li + He C) U + N → Te + Zr + 2 N D) Ti → V + E E) Sc → Sc + energy
Sc →
Which reaction is an example of an alpha emission? A) Cm → Pu + He B) B + N → Li + He C) U + N → Te + Zr + 2 N D) Ti → V + E E) Sc → Sc + energy
Sc + energy

Correct Answer

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A unit used to measure the amount of radiation absorbed per gram of tissue is the


A) curie.
B) roentgen.
C) rem.
D) rad.
E) sievert.

Correct Answer

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The fusion reaction that supplies the energy of the sun is:


A)
The fusion reaction that supplies the energy of the sun is: A) H + H →<sup> </sup> <sup> </sup> He + N B) U + N → Ba + Kr + 3 N C) N + N → C + H D) C → N + E
H +
The fusion reaction that supplies the energy of the sun is: A) H + H →<sup> </sup> <sup> </sup> He + N B) U + N → Ba + Kr + 3 N C) N + N → C + H D) C → N + E
H →

The fusion reaction that supplies the energy of the sun is: A) H + H →<sup> </sup> <sup> </sup> He + N B) U + N → Ba + Kr + 3 N C) N + N → C + H D) C → N + E
He +
The fusion reaction that supplies the energy of the sun is: A) H + H →<sup> </sup> <sup> </sup> He + N B) U + N → Ba + Kr + 3 N C) N + N → C + H D) C → N + E
N
B)
The fusion reaction that supplies the energy of the sun is: A) H + H →<sup> </sup> <sup> </sup> He + N B) U + N → Ba + Kr + 3 N C) N + N → C + H D) C → N + E
U +
The fusion reaction that supplies the energy of the sun is: A) H + H →<sup> </sup> <sup> </sup> He + N B) U + N → Ba + Kr + 3 N C) N + N → C + H D) C → N + E
N →
The fusion reaction that supplies the energy of the sun is: A) H + H →<sup> </sup> <sup> </sup> He + N B) U + N → Ba + Kr + 3 N C) N + N → C + H D) C → N + E
Ba +
The fusion reaction that supplies the energy of the sun is: A) H + H →<sup> </sup> <sup> </sup> He + N B) U + N → Ba + Kr + 3 N C) N + N → C + H D) C → N + E
Kr + 3
The fusion reaction that supplies the energy of the sun is: A) H + H →<sup> </sup> <sup> </sup> He + N B) U + N → Ba + Kr + 3 N C) N + N → C + H D) C → N + E
N
C)
The fusion reaction that supplies the energy of the sun is: A) H + H →<sup> </sup> <sup> </sup> He + N B) U + N → Ba + Kr + 3 N C) N + N → C + H D) C → N + E
N +
The fusion reaction that supplies the energy of the sun is: A) H + H →<sup> </sup> <sup> </sup> He + N B) U + N → Ba + Kr + 3 N C) N + N → C + H D) C → N + E
N →
The fusion reaction that supplies the energy of the sun is: A) H + H →<sup> </sup> <sup> </sup> He + N B) U + N → Ba + Kr + 3 N C) N + N → C + H D) C → N + E
C +
The fusion reaction that supplies the energy of the sun is: A) H + H →<sup> </sup> <sup> </sup> He + N B) U + N → Ba + Kr + 3 N C) N + N → C + H D) C → N + E
H
D)
The fusion reaction that supplies the energy of the sun is: A) H + H →<sup> </sup> <sup> </sup> He + N B) U + N → Ba + Kr + 3 N C) N + N → C + H D) C → N + E
C →
The fusion reaction that supplies the energy of the sun is: A) H + H →<sup> </sup> <sup> </sup> He + N B) U + N → Ba + Kr + 3 N C) N + N → C + H D) C → N + E
N +
The fusion reaction that supplies the energy of the sun is: A) H + H →<sup> </sup> <sup> </sup> He + N B) U + N → Ba + Kr + 3 N C) N + N → C + H D) C → N + E
E

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