Explain. SODIUM HAS COMPLETELY FILLED K AND L SHELL. I will mark as brainliest answers .
ket66:
The electronic configuration of sodium is 2,8,1 . therefore for forming cation it loses one electron and attains noble gas configuration therefore it has k and l shell fully filled
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Na+ is a positively charged sodium ion. Normally an atom of sodium has 11 electrons, so according to formula it has 2 electrons in K shell , 8 electrons in L shell and 1 electron in M shell. However Na+ has 10 electrons only, therefore it has 2 electrons in K shell and 8 in L shell. 2 and 8 are the full capacity of the K and L shell respectively. Hence it is said ' Na+ has completely filled K and L shells. '
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Because of its electronic configuration 2,8,1 as k has capability of taking 2 electrons l has capability of taking 8 electrons and rest electrons left are taken by m shell
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