Multiple choice general knowledge

What is the fourth most abundant element in the universe in terms of mass?

  1. Carbon

  2. Hydrogen

  3. Nitrogen

  4. Oxygen

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

The four most abundant elements in the universe by mass are hydrogen (~74%), helium (~24%), oxygen (~1%), and carbon (~0.5%). This makes carbon the fourth most abundant. Hydrogen is first, not fourth.