Question

Nuclear explosions require a specific amount of mass to trigger and self-sustain a nuclear chain reaction. That mass is called the

Answer 1

Step-by-step explanation:

The term you want is the critical mass. It is the mass needed to trigger a nuclear reaction and keep it going.

Approximately 104 pounds of Uranium 235 is needed for the critical mass to occur. If it is less than 104 pounds, no reaction will occur.