Answered

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

Sagot :

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

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