Mathematics, 27.06.2019 03:30 Crxymia

Acalcium ion has 20 protons and 18 electrons. each proton has a +1 charge and each electron has a -1 charge. what is the charge of the calcium ion?

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Acalcium ion has 20 protons and 18 electrons. each proton has a +1 charge and each electron has a -1...

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