Question

What is critical mass?

the smallest mass of any material that can stop a chain reaction

the greatest mass of any material that can stop a chain reaction

the smallest mass of material that can sustain a chain reaction

the greatest mass of material that can sustain a chain reaction

Answer 1

The answer is C.

Step-by-step explanation:

Critical mass is the smallest mass of material that can sustain a chain reaction.

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Answer 2

the smallest mass of material that can sustain a chain reaction

Step-by-step explanation:

Critical mass refers to the smallest possible mass of a fissionable material that can sustain a chain reaction