HMKitchen9349 HMKitchen9349

11-09-2017
Chemistry

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What element has two electrons in the outer shell and has electrons in four shells?

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23-09-2017

Calcium. It is classified chemically as one of the alkaline earth elements. It is found in group two of the periodic table. It forms a white coating of calcium nitride (Ca3N2) in air. The symbol is classified as Ca. It is a metallic metal.

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