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Vanadium has atomic number 23 which means it has 23 protons in the nucleus.

Vanadium has Atomic Mass 51 which means it has (51 -23) 28 neutorons in the nucleus.

Neutral Vanadium has exactly the same number of electrons as there are protons in the nucleus, so neutral Vanadium has 23 electrons.

An 3+ ion of Vanadium has 3 less electrons, so it has 20 electrons (and it still has 23 protons in the nucleus, so the charge is the difference, i.e. +23-20 = +3).

So Vanadium 3+ has 20 electrons and 23 protons (The neutrons stay the same at 28 neutrons).

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12y ago

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