21: The element
with the atomic
number 15
belongs to the
A
First group
B
Second
group
с Second
period
DThird period
Answers
Answered by
0
Answer:
first group as it is 15 atomic no.
Similar questions
History,
3 months ago
Social Sciences,
3 months ago
Math,
3 months ago
English,
10 months ago
English,
10 months ago