choose the correct answer
which is the hardest substance ?
________________ .
a) graphite
b) diamond
c) lead
d) zinc
Answers
Answered by
1
Answer:
diamond
Explanation:
A diamond ring. Scientists have calculated that wurtzite boron nitride and lonsdaleite (hexagonal diamond) both have greater indentation strengths than diamond. (PhysOrg.com) -- Currently, diamond is regarded to be the hardest known material in the world.
Answered by
13
Answer:
→ Diamond is the hardest substance.
Explanation: → diamond is made up of carbon.
→ Diamond is hard due to its giant covalent lattice and it has many strong covalent bonds.
hope its helpful to you.
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