Nickel Streak Science For Kids. Atoms of nickel are known to have 28 protons, 28 electrons, and 30 neutrons. Nickel that is found in nature is made up of five stable isotopes;
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Nickel primarily appears as a hard, but. Web the isotopes of nickel range in atomic weight from 48 ni to 78 ni. It is called nickel and has 75% copper and 25% nickel.
