How many neutrons a nickel has varies due to the presence of isotopes in every element. Nickel atoms have 28 protons and 28 electrons so long as it's neutral. And, most commonly, it has 30 to 32 neutrons.
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how many neutrons does nickel have
In its most abundant isotope, nickel has 31 neutrons.
To calculate the number of neutrons in an isotope of any element, use the formula Mass Number - Atomic Number = Number of Neutrons.