Question

A metal which can from a predominantly
Stable covalent halide of the formula MX​

Answer 1

Answer:

Group 1 metals.

Explanation:

i:e alkali metals can form stable covalent halide of formula MX as they have low first ionization enthalpy and 2nd high ionization enthalpy.

Answer 2

Explanation:

Group 1 metals i.e. alkali metals can form stable covalent halides of the formula MX as they have low first ionisation enthalpy but high second ionisation enthalpy. But all the group 1 metals form ionic halides except Li