Chemistry (11th Grade)
Electron Configuration
What is the electron configuration for calcium (Ca)?
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5 5s2
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