Question

Which is the hardest substance?
1)iron
2)wood
3)diamond
4)rock​

Answer 1

Answer:

diamond

Explanation:

u are not subscribing subscribe my channel name sarita Bhunwal please

Answer 2

Answer:-

$\sf \large \color{green}Diamond \: is \: the \: hardest \: substance.$

Explanation:-

• In diamond, these electrons are shared with four other carbon atoms to form very strong chemical bonds resulting in an extremely rigid tetrahedral crystal. It is this simple, tightly-bonded arrangement that makes diamond one of the hardest substances on Earth.