Which element represented most of the atoms in the early Universe?
A) helium
B) hydrogen
C) oxygen
D) carbon
E) nitrogen

Question

Quizplus · Accepted Answer

Hydrogen was the most abundant element in the early Universe, making up about 75% of the elemental mass, with helium accounting for most of the remaining 25%. Other elements like oxygen, carbon, and nitrogen were formed in much smaller quantities in stars and through supernova explosions much later in the cosmic timeline.

Which Element Represented Most of the Atoms in the Early