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Chemistry, 09.01.2021 06:10 Sawas

If an atom of calcium has two dots for its Lewis structure, then it means that this atom has... O 18 electrons
O 2 valence electrons in shell 4
O 2 valence electrons in shell 1
O three shells, only

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If an atom of calcium has two dots for its Lewis structure, then it means that this atom has... O 1...
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