Multiple choice

Diamond is chemically

  1. a mixture of metal carbonates

  2. a pure carbon

  3. a pure form of sand

  4. a mixture of calcium and magnesium phosphates
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Diamond is an allotrope of carbon, meaning it consists entirely of carbon atoms arranged in a specific crystal lattice structure. It is not a mixture or a compound of other elements.

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