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vemadumtu |
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Answer» if there is 4s2 and 3d4 then 1 electron of 4s goes to 3d4 to make it 3d5 and the final configuration is Ar 3d5 4s1 are u 100% sure? yes.. this is the correct answer. it is found in group 5 period 4 NAA its atomic no is 23 na yeah then 24electrons yeah 1s2 2s2 2p6 3s2 3p6 4s2 3d4 3d5 half filled orbitals are more stable |
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