Multiple choice

Which of the following non-metals is lustrous, i.e. having a shining surface?

  1. Sulphur

  2. Phosphorus

  3. Iodine

  4. None of these

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

Most non-metals are dull, but iodine is a notable exception that exhibits a metallic luster. It appears as a dark, shiny, crystalline solid at room temperature.