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In this lesson, we will learn how to describe the process of unstable atoms decaying to a lower energy state by emitting high-energy gamma rays.

Q1:

Which of the following correctly explains why free neutrons are more dangerous than alpha and beta radiation?

Q2:

The following nuclear equation shows neutron emission by helium-5:

What is the value of π in the given equation?

What is the value of π in the given equation?

Q3:

When an unstable nucleus emits a neutron, by how much does the charge of the nucleus change?

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