Multiple choice

Diamond and graphite are similar in

  1. crystal structure

  2. density

  3. electrical conductivity

  4. atomic weight
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Diamond and graphite are both pure carbon allotropes with identical atomic weights (12 for carbon-12). They differ in crystal structure (diamond: tetrahedral, graphite: layered hexagonal), density (diamond: 3.51 g/cm³, graphite: 2.26 g/cm³), and electrical conductivity (diamond: insulator, graphite: conductor).

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