The early universe was composed mainly of which two elements? hydrogen and helium carbon and oxygen hydrogen and oxygen carbon and iron

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asked Mar 3, 2019 198k views

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Naho · Answer 1 · 2019-03-08T07:31:47+0000

It took 380,000 years for electrons to be trapped in orbits around nuclei, forming the first atoms. These were mainly helium and hydrogen, which are still by far the most abundant elements in the universe.

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The early universe was composed mainly of which two elements? hydrogen and helium carbon and oxygen hydrogen and oxygen carbon and iron

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