Multiple choice general knowledge science & technology

The most abundant element in the universe is

  1. Heliium

  2. Oxygen

  3. Hydrogen

  4. Carbon

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

Hydrogen is the most abundant element in the universe, making up about 74% of all normal matter by mass. It was formed during the Big Bang and remains the primary fuel for stars. Helium is the second most abundant element, while oxygen and carbon are much rarer on the cosmic scale.