What is the electron configuration for a calcium atom? 1s2, 2s2, 2p6, 3s2, 3p6, 4s2 1s2, 2s2, 2p6, 3s2, 3p6, 4s1 2s2, 2s2, 2p6,
3s2, 3p6, 4s1 1s1, 2s2, 2p6, 3s2, 3p6, 4s1
2 answers:
1s2,2s2, 2p6, 3s2,3p6,4s2
Its 1s2 2s2 2p6 3s2 3p6 4s2
Its in Group 2 of the Periodic Table
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