Question

what is the longest group in periodic table​

Answer 1

Explanation:

Group 3 is the longest group in periodic table as it contains 32 elements. Sc,Y,La,Ac and 14 Lanthanides and Actinides.

HOPE THIS HELPS YOU!!

PLS MARK ME AS BRAINLIEST

Answer 2

Question:-

Which is the longest group in periodic table?

Answer:-

GROUP :- 3 (Or) III A

Reason:-

• III B contains Lanthanides and Actinides
• Because these extra 28 elements Group 3 is the longest group in the periodic table