The element which shows catenation to maximum extent is………….. .

The element which shows least metallic character

Define catenation?

The elements of 3d transition series are given as: Sc Ti V Cr Mn Fe Co Ni Cu Zn Answer the following: Write the element which can show an oxidaition state of +1.

Which element shows mettalic character?

Name the region which show maximum biodiversity.

Which one shows maximum hydrogen bonding?