Radioactivity Practice Questions With Answers (Set 2)

Radioactivity Practice Questions With Answers (Set 2)
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Question 1

If an atom of polonium-218 were to undergo positron emission, which nuclide would result?

Question 2

Why are radioisotopes used to preserve food?

Question 3

Which radioactive isotope is used as a fuel in nuclear power plants?

Question 4

Where are the fuel rods located in a nuclear power plant?

Question 5

Which radiation can pass through the human body?

Question 6

Which particles of matter could be stopped by a thin piece of aluminum foil?

Question 7

Which type of radiation is represented by 0 0 g?

Question 8

Beta particle emission occurs when the ratio of neutrons to protons in the nucleus is ______

Question 9

A rock has 12.5 percent of its original amount of potassium-40 remaining in it; potassium-40 has a half-life of 1.25 billion years. How long ago did the rock formed?

Question 10

When is nuclear decay by alpha particle emission more common in atoms?

Question 11

When is nuclear decay by beta particle emission more common in atoms?

Question 12

Radon-222 is a radioactive gas with a half-life of 3.82 days. How long would it take for four hal-lives to pass?

Question 13

Why is the total mass of a helium nucleus not equal to the mass of its individual parts?

Question 14

What does E stand for in Einstein’s equation E=mc2

Question 15

What does c stand for in Einstein’s equation E = mc2

Question 16

The mass defect of a particular reaction resulted in the production of 5.50 x 1015 joules of energy. What mass (if totally converted to energy) would correspond to this amount of energy?

Question 17

How are gamma, beta, and alpha radiation similar?

Question 18

What happens when a beta particle is released from a nucleus of an atom?

Question 19

Which type of radiation is represented by 0 -1 e

Question 20

What do nuclear fusion reactions generally require?

Question 21

What is a major drawback to using nuclear fission as a reliable energy source?

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