Question

Which period is called longest period ?
A: 1st
B:7th
C:3rd
D:6th

Answer 1

C i think is the correct answers

Answer 2

Heyaa..

The answer to your question is Option D

Answer : ( D ) 6th

Reason :

The sixth period in the periodic table has 32 elements thus it is the longest period of the periodic table.


The seventh period can also be said as the longest one but it is incomplete..

Hope it helps...

And here CutieBarbie :)