studyeast studyeast

21-10-2018
Chemistry

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Both of calciums electrons are in its innermost shell. Explain why.

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theresanunez theresanunez

29-10-2018

The atomic number of calcium is 20 which means it has 20 protons and as an atom (not an ion) it also has 20 electrons. These are in four energy levels (1 though 4) .

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