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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 18 electrons
O 2 valence electrons in shell 4
O 2 valence electrons in shell 1
O three shells, only

User Saad Abbasi
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Answer:

2 valence electrons in shell 4 is ur ans

User FrankV
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