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Oksi-84 [34.3K]
2 years ago
10

Which electron shell in an atom of calcium in the ground state

SAT
1 answer:
adoni [48]2 years ago
7 0
When calcium forms an ion, it loses its two valence electrons and becomes a calcium ion with a 2+ charge. In that case the highest energy level occupied by the calcium ion's electrons in its ground state would be the third energy level.
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