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i) [Ne] 3s1
ii) [Ar] 4s1
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ii) [Ar] 4s1
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Na (sodium) electronic configuration is 2,8,1
As 19th element is Argon,
It's electronic configuration is 2,8,8
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As 19th element is Argon,
It's electronic configuration is 2,8,8
hope this helped u
plz mark it as branliest
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