Question 1
The process in which a nucleus spontaneously breaks down by emitting radiation is known as ________.
◦ transformation
◦ radioactive decay
◦ a chain reaction
◦ fusion
◦ translation
Question 2
Gamma rays require the heaviest shielding of all the common types of nuclear radiation because gamma rays have the ________.
◦ largest particles
◦ most intense color
◦ highest energy
◦ heaviest particles
◦ lowest energy