Question

Diamond, though a nonmetals,is the hardest substance know. true False​

Answer 1

true .

Explanation:

Currently, diamond is regarded to be the hardest known material in the world. But by considering large compressive pressures under indenters, scientists have calculated that a material called wurtzite boron nitride (w-BN) has a greater indentation strength than diamond.

Answer 2

True

Please follow me and mark as brainlist