What percentage of the solar nebula's mass consisted of hydrogen and helium gases?
A)0.5 percent
B)5 percent
C)50 percent
D)98 percent
E)100 percent

Question

Quizplus · Accepted Answer

The solar nebula consisted mainly of hydrogen and helium gases, with approximately 98% of its mass being composed of these elements. The remaining 2% was made up of heavier elements such as carbon, oxygen, and iron.

What Percentage of the Solar Nebula's Mass Consisted of Hydrogen