What group is sodium in?

1 Answer
Jun 1, 2018

Answer:

#1^(st)# group

Explanation:

Sodium is in 1st group in modern periodic table.
#Na(11)= 1s^2, 2s^2, 2p^6, 3s^1 #
Last electron enters into s subshell states that #Na# belongs to S-block.

And, #Na# has valency of 1 electron so, it belongs to #1^(st)# group.

In addition to it, #Na# is a alkali metal. Alkali metals belongs to #1^(st)# group.