Multiple choice

Which of the following properties is common to graphite and diamond?

  1. Electrical conductivity

  2. Relative atomic weight

  3. Crystal structure

  4. Density
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Graphite and diamond are both allotropes of carbon, meaning they have the same atomic composition and thus the same relative atomic mass (12). They differ in electrical conductivity (graphite conducts, diamond doesn't), crystal structure (hexagonal vs cubic), and density (diamond is denser). The only property they share is their atomic weight.

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