ELi5: Difference between gamma rays and neutron radiation?

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I’m a bit confused since I see the terms thrown around. To my understanding, gamma radiation is extremely energetic photons. Do neutrons count as gamma rays too?

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> To my understanding, gamma radiation is extremely energetic photons.

This is correct. A photon is the force carrier of the electromagnetic field, a massless particle that nonetheless carries momentum and energy.

> Do neutrons count as gamma rays too?

No, neutrons are particles with mass but no charge. They are components of most atomic nuclei and are about 0.1% heavier than a proton. Neutron radiation would be fast moving neutrons.