Question 1

90
38 Sr → __________ + 0
$- 1$ e + energy

Accepted Answer

The answer of 90
38 Sr → __________ + 0
$- 1$...

Question 2

The recommended dosage of I-131 for a test is 4.2 microcuries per kg of body weight. How many millicuries should be given to a 55 kg patient? (1 mCi = 1000 μCi)

Accepted Answer

A)  230 millicuries 
B)  0.23 millicuries 
C)  0.076 millicuries 
D)  760 millicuries 
E)  13.8 millicuries 
A)  230 millicuries 
B)  0.23 millicuries 
C)  0.076 millicuries 
D)  760 millicuries 
E)  13.8 millicuries

Question 3

In the nuclear equation of a beta emitter,

Accepted Answer

A)  the new nucleus contains 2 fewer protons. 
B)  the new nucleus contains 2 more protons. 
C)  the mass number of the new nucleus is 4 less than that of the original nucleus. 
D)  the new nucleus contains 1 more proton. 
E)  the new nucleus contains 1 less proton. 
A)  the new nucleus contains 2 fewer protons. 
B)  the new nucleus contains 2 more protons. 
C)  the mass number of the new nucleus is 4 less than that of the original nucleus. 
D)  the new nucleus contains 1 more proton. 
E)  the new nucleus contains 1 less proton.

Question 4

A positron is a particle emitted from the nucleus that has the same mass as a(n)

Accepted Answer

A)  electron but has a positive charge. 
B)  neutron but has a positive charge. 
C)  alpha particle. 
D)  beta particle. 
E)  proton emitted from the nucleus. 
A)  electron but has a positive charge. 
B)  neutron but has a positive charge. 
C)  alpha particle. 
D)  beta particle. 
E)  proton emitted from the nucleus.

Question 5

The unit used to measure the amount of radiation absorbed by a gram of material is called then

Accepted Answer

A)  rad. 
B)  RBE. 
C)  curie. 
D)  rem. 
E)  MPD. 
A)  rad. 
B)  RBE. 
C)  curie. 
D)  rem. 
E)  MPD.

Question 6

The nuclear symbol of helium, 4
2 He, is also the symbol for designating a(n)

Accepted Answer

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

Question 7

When an atom of uranium-235 is bombarded with neutrons, it splits into smaller nuclei and produces a great amount of energy. This nuclear process is called

Accepted Answer

A)  fission. 
B)  fusion. 
C)  decomposition. 
D)  chain reaction. 
E)  ionization. 
A)  fission. 
B)  fusion. 
C)  decomposition. 
D)  chain reaction. 
E)  ionization.

Question 8

Indicate whether each of the following is characteristic of the fission or fusion process.
-Large amounts of energy are released.

Accepted Answer

A) both fission and fusion 
B) fusion 
C) fission 
A) both fission and fusion 
B) fusion 
C) fission

Question 9

What is the radiation particle used in the bombardment of nitrogen-14?

14
7 N + ? ? 14
6 C + 
1 
1
 H

Accepted Answer

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

Question 10

In the Sun, nuclei of hydrogen combine to form a larger nucleus and release a great amount of energy. The process is known as

Accepted Answer

A)  fission. 
B)  fusion. 
C)  metathesis. 
D)  chain reaction. 
E)  ionization. 
A)  fission. 
B)  fusion. 
C)  metathesis. 
D)  chain reaction. 
E)  ionization.

Question 11

235
92
 U + 1
0 n → __________ + 91
36 Kr + 3 1
0 n + energy

Accepted Answer

The answer of 
235
92
 U + 1
0 n → __________...

Question 12

The symbol 0
-1 e is a symbol used for a(n)

Accepted Answer

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

Question 13

The radioisotope used as a diagnostic tool to measure thyroid function is __________.

Accepted Answer

The answer of The radioisotope used as a diagnostic tool...

Question 14

The most widely used medical isotope in nuclear medicine is

Accepted Answer

A)  Tc-99m. 
B)  I-131. 
C)  P-32. 
D)  I-125. 
E)  Co-60. 
A)  Tc-99m. 
B)  I-131. 
C)  P-32. 
D)  I-125. 
E)  Co-60.

Question 15

A nuclear equation is balanced when

Accepted Answer

A)  the same elements are found on both sides of the equation. 
B)  the sum of the mass numbers and the sum of the atomic numbers of the particles and atoms are the same on both sides of the equation. 
C)  the same particles and atoms are on both sides of the equation. 
D)  different particles and atoms are on both sides of the equation. 
E)  the charges of the particles and atoms are the same on both sides of the equation. 
A)  the same elements are found on both sides of the equation. 
B)  the sum of the mass numbers and the sum of the atomic numbers of the particles and atoms are the same on both sides of the equation. 
C)  the same particles and atoms are on both sides of the equation. 
D)  different particles and atoms are on both sides of the equation. 
E)  the charges of the particles and atoms are the same on both sides of the equation.

Question 16

The product from the alpha decay of 
235
92
 U is

Accepted Answer

A)  
235 
93
 Np. 
B)  239
94 Pu. 
C)  231
90 Th. 
D)  233
80 Ra. 
E)  
236
92
 U. 
A)  
235 
93
 Np. 
B)  239
94 Pu. 
C)  231
90 Th. 
D)  233
80 Ra. 
E)  
236
92
 U.

Question 17

The damaging effects of radiation on the body are a result of

Accepted Answer

A)  the formation of unstable ions or radicals. 
B)  the formation of radioactive atoms in the body. 
C)  transmutation reactions in the body. 
D)  extensive damage to nerve cells. 
E)  the production of radioactive sodium ions in the body. 
A)  the formation of unstable ions or radicals. 
B)  the formation of radioactive atoms in the body. 
C)  transmutation reactions in the body. 
D)  extensive damage to nerve cells. 
E)  the production of radioactive sodium ions in the body.

Question 18

A person begins to suffer radiation sickness at an exposure level of

Accepted Answer

A)  25 rem. 
B)  5 rem. 
C)  500 rem. 
D)  100 rem. 
E)  600 rem. 
A)  25 rem. 
B)  5 rem. 
C)  500 rem. 
D)  100 rem. 
E)  600 rem.

Question 19

What is the radioactive particle released in the following nuclear equation? 
90
38 Sr ? 90
39 Y + ?

Accepted Answer

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

Question 20

Choose the type of radiation from Column 2 that best matches each item in Column 1.
-γ

Accepted Answer

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

Exam 4: Nuclear Chemistry

90 38 Sr → __________ + 0 −1- 1−1 e + energy

The recommended dosage of I-131 for a test is 4.2 microcuries per kg of body weight. How many millicuries should be given to a 55 kg patient? (1 mCi = 1000 μCi)

In the nuclear equation of a beta emitter,

A positron is a particle emitted from the nucleus that has the same mass as a(n)

The unit used to measure the amount of radiation absorbed by a gram of material is called then

The nuclear symbol of helium, 4 2 He, is also the symbol for designating a(n)

When an atom of uranium-235 is bombarded with neutrons, it splits into smaller nuclei and produces a great amount of energy. This nuclear process is called

Indicate whether each of the following is characteristic of the fission or fusion process. -Large amounts of energy are released.

What is the radiation particle used in the bombardment of nitrogen-14? 14 7 N + ? ? 14 6 C + 1 1 H

In the Sun, nuclei of hydrogen combine to form a larger nucleus and release a great amount of energy. The process is known as

235 92 U + 1 0 n → __________ + 91 36 Kr + 3 1 0 n + energy

The symbol 0 -1 e is a symbol used for a(n)

The radioisotope used as a diagnostic tool to measure thyroid function is __________.

The most widely used medical isotope in nuclear medicine is

A nuclear equation is balanced when

The product from the alpha decay of 235 92 U is

The damaging effects of radiation on the body are a result of

A person begins to suffer radiation sickness at an exposure level of

What is the radioactive particle released in the following nuclear equation? 90 38 Sr ? 90 39 Y + ?

Choose the type of radiation from Column 2 that best matches each item in Column 1. -γ

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90 38 Sr → __________ + 0 $- 1$ e + energy