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A single atom of an element has 21 nutrons 20 electtons and 20 protons which element is it

A single atom of an element has 21 nutrons 20 electtons and 20 protons which element is it
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A single atom of an element has 21 nutrons 20 electtons and 20 protons which element is it

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User Leilani
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your element would be calcium


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User Halbgut
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