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Which atom has the electron configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d²? and 1s²2s²2p⁶3s²3p⁶3d⁷4s²?

1 Answer

5 votes
1 is correct as d sub shell cannot hold more than 6 electrons
Hope it helps : )
User Mudin
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