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Q: Which is the second most abundant element in the universe?
  • A. Hydrogen
  • B. Helium
  • C. Nitrogen
  • D. Iron
Correct Answer: Option B - In the universe the most common element is Hydrogen followed by Helium. About 70% of the Universe remains hydrogen. About 28% is helium, with 25% formed in the Big Bang and 3% from stellar fusion.
B. In the universe the most common element is Hydrogen followed by Helium. About 70% of the Universe remains hydrogen. About 28% is helium, with 25% formed in the Big Bang and 3% from stellar fusion.

Explanations:

In the universe the most common element is Hydrogen followed by Helium. About 70% of the Universe remains hydrogen. About 28% is helium, with 25% formed in the Big Bang and 3% from stellar fusion.