Is a unit of energy that can identify the amount of energy released or absorbed by a chemical reaction

a
kiloliters (kl)
b
kilojoules (kj)
c
kilopascals (kpa)
d
kilograms (kg)

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.