In general, does a strontium atom have a higher mass no or no of electrons than a strotium ion? If this question is just completely off, then what are the differences?

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Originally Posted by TNB In general, does a strontium atom have a higher mass no or no of electrons than a strotium ion? If this question is just completely off, then what are the differences? Strontium is part of the Alkaline Earth Metals or Group 2 of the periodic table and therefore has 2 valence electrons. It's valency is +2 ....

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