The amount of time it takes for a radioactive element to decay to 50% of its daughter isotope is called ________.
A) decay rate
B) half-life
C) partial decay
D) conversion rate
E) quarter-life

Question

Quizplus · Accepted Answer

The amount of time it takes for a radioactive element to decay to 50% of its daughter isotope is called the half-life. This means that half of the original radioactive element has decayed and transformed into the daughter isotope. The other answer choices are not accurate descriptions of this process.

The Amount of Time It Takes for a Radioactive Element