Question

Positive protons in the nucleus want to fly apart, but another particle in the nucleus helps prevent that. What is the other subatomic particle in the nucleus?

Answer 1

Neutron

Step-by-step explanation:

Protons are kept together in the nucleus by neutrons. The force which keeps the nucleus together is the nuclear strong force, and both protons and neutrons are responsible for this force. It's 1 of 4 fundamental forces.

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