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Date:elections io M shell islo an atomcual -to -he runke of electors int and stelluchoitis te alomามกา

Answer»

If the atom has electrons in M shell then the k and L shell must have been fully filled. And as there are same number of electrons in the M shell as that there are in the K shell, so M shell has 2 electrons.Then total number of electrons is2+8+2=12Therefore the following atom is Magnesium.



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