Question

from group 6 , only one metal from hydride .this metal is​

Answer 1

Answer:

This is called as hydride gap. In the group, 6, Chromium (Cr) is an exception as it is the only group 6 element to form a hydride.

Answer 2

Answer:

Chromium

Explanation:

The low affinity of the elements of the group 6,7,8 and 9 towards hydrogen in their normal oxidation states prevent the formation of hydrides. This is called as hydride gap. In the group, 6, Chromium (Cr) is an exception as it is the only group 6 element to form a hydride.