Question

The element placed in extreme left of Modern Periodic Table.

1. Platinum

2.Chlorine

3.Potassium​

Answer 1

On the extreme left of the table is Group 1 which consists of alkali metals (Li, Na, K, Rb, Cs, Fr). They are highly reactive metals that form strong alkaline hydroxides. The last group is occupied by noble gases (He, Ne, Ar, Kr, Xe, Rn).