Multiple choice general knowledge science & technology

What is the most common metal found on Earth?

  1. Aluminium

  2. Copper

  3. Gold

  4. Iron

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

Iron is the most abundant metal in Earth's crust, constituting about 5% of its mass. Aluminium is actually the most abundant metal overall when considering the entire Earth, but iron dominates in the crust where we can access it. The question refers to crustal abundance.