Question

An unstable nucleusA-increases its half-lifeB - emits energy when it decaysC- increases its nuclear mass by fissionD- expels all of its protons

Answer 1

Step-by-step explanation:

A nucleus consists o both electrons and proton. Therefore, an unstable nucleus undergoes radiation. And this causes a formation of a new atom. This is known as radioactive decay. Therefore, an unstable nucleus emits energy as it decays.

Answer:

The correct answer is B.herefore, an unstable nucleusherefore, an unstable nucleusR