Multiple choice general knowledge

Lonsdaleite, chaoite, and schwarzite are all unusual variant forms of a single chemical element. Which one?

  1. Aluminum

  2. Calcium

  3. Carbon

  4. Sulfur

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Lonsdaleite (hexagonal diamond), chaoite, and schwarzite are all rare allotropes of carbon. They represent different structural arrangements of carbon atoms, distinct from graphite or diamond.