Question 1

Consider the graph of activity versus time for a naturally occurring isotope.  The half-life of this isotope is between 80 and 120 hours.

Accepted Answer

A) True 
 B)False

Question 2

What is the element produced by the alpha decay of 243Am ?

Accepted Answer

A)  Bk 
B)  Np 
C)  Pa 
D)  Es

Question 3

A patient received 67 mrem of radiation during a treatment. What is this equivalent dose in Sv?

Accepted Answer

A)  67 Sv 
B)  0.67 Sv 
C)  0.00067 Sv 
D)  6.7 Sv

Question 4

The chemical symbol for a positron is:

Accepted Answer

A) True 
 B)False

Question 5

Fill in the blanks with the appropriate term from the list below. 
alpha
beta
gamma
-______________________ poses the largest hazard when exposure is from an external source.

Accepted Answer

The answer of Fill in the blanks with the appropriate...

Question 6

The activity of 1.0 μg of fluorine-18 is 89 Ci. Which of the following is not equivalent to this activity?

Accepted Answer

A)  8.9 × 104 mCi 
B)  8.9 × 107 μCi 
C)  3.3 × 1012 Bq 
D)  3.3 × 103 GBq 
E)  All of these quantities are equivalent.

Question 7

Which of the following reactions represents the nuclear equation for the alpha decay of Kr-76?

Accepted Answer

A)   
B)   
C)   
D)

Exam 8: Nuclear Chemistry

Consider the graph of activity versus time for a naturally occurring isotope. The half-life of this isotope is between 80 and 120 hours.

What is the element produced by the alpha decay of ²⁴³Am ?

A patient received 67 mrem of radiation during a treatment. What is this equivalent dose in Sv?

The chemical symbol for a positron is:

Fill in the blanks with the appropriate term from the list below. alpha beta gamma -______________________ poses the largest hazard when exposure is from an external source.

The activity of 1.0 μg of fluorine-18 is 89 Ci. Which of the following is not equivalent to this activity?

Which of the following reactions represents the nuclear equation for the alpha decay of Kr-76?