Question

what are the diamond​

Answer 1

Answer:

Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. At room temperature and pressure, another solid form of carbon known as graphite is the chemically stable form, but diamond almost never converts to it. 

Density: 3.51 g/cm³

Crystal habit: Octahedral

Crystal class: Hexoctahedral (m3m); H-M symbol: (4/m 3 2/m)

Formula mass: 12.01 g/mol

Melting point: Pressure dependent

Optical properties: Isotropic

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Answer 2

Answer:

diamond is the hardest substance on the earth.

Explanation:

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