Essential Chemistry for IGCSE - Atoms, Elements And Compounds (Section 2 - No. 24)
What happens to the number of electrons in a neutral atom?
It is always equal to the number of protons.
It is always equal to the number of neutrons.
It is always equal to the mass number.
It is always double the number of protons.
Explanation
In a neutral atom, the number of electrons equals the number of protons to balance the charges.
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