Question

Sodium has atomic number 11. Write its electronic configuration and identify to which groups and period of the periodic table it belongs.

Answer 1

Answer:

sodium ( Na) atomic number is z = 11

electronic configuration is 1s2 2s2 2p6 3s1 = (2,8,1)

group number is one

period number is three

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Answer 2

Answer:

Electronic configuration of sodium [Na] :- 2,8,1

only one eletron present in it's last shell & it is alkaline metal too so it is in group one & it has three shell so it is in 3rd period

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