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AA-F26 Physical Science
Radioactivity — Unit test
Question 5
5
Quiz
Multiple Choice
Radioactivity — Unit test
Question 5 of 10 • AA-F26 Physical Science
Which best describes a radioactive isotope?
Answer
A
An atom is unstable.
B
An atom is stable.
C
There is only one other isotope.
D
There are many isotopes.
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