The Big Bang produced no elements heavier than helium because it was never hot enough for helium to undergo fusion.

Question

Quizplus · Accepted Answer

The Big Bang produced primarily hydrogen and helium, along with trace amounts of lithium and beryllium, because the universe expanded and cooled too quickly for significant amounts of heavier elements to form, not because it wasn't hot enough for helium to undergo fusion.

The Big Bang Produced No Elements Heavier Than Helium Because