Which of these elements is the most abundant in the universe?
A) Hydrogen
B) Nitrogen
C) Carbon
D) Oxygen
E) Sodium

Question

Quizplus · Accepted Answer

Hydrogen is the most abundant element in the universe, accounting for about 75% of its normal matter, followed by helium which accounts for about 24%. The other elements, including nitrogen, carbon, oxygen, and sodium, make up only a tiny fraction of the universe's matter.

Which of These Elements Is the Most Abundant in the Universe