solve the question and also explain
Attachments:
Answers
Answered by
1
The element belongs to A. bcoz number of shells of an atom is equal to the period number and number of valence electron(electrons in outermost shell )is equal to the group number
Here, period no. = 3(no. of shells in electronic configuration) and group no. = 1 ( no. of valence electron)
Here, period no. = 3(no. of shells in electronic configuration) and group no. = 1 ( no. of valence electron)
Similar questions