What two elements formed first?
A) protons and neutrons
B) electrons and protons
C) helium and oxygen
D) helium and hydrogen
E) hydrogen and oxygen

Name: What two elements formed first? A) protons and neutrons B) electrons and protons C) helium and oxygen D) helium and hydrogen E) hydrogen and oxygen
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Quizplus · Accepted Answer

Helium and hydrogen formed first after the Big Bang. These were the simplest elements that formed in the early universe.

What Two Elements Formed First