Which of the following elements would have been the first to form after the formation of the universe?
A)Lithium and carbon
B)Helium and phosphorous
C)Hydrogen and helium
D)Iron and magnesium

Question

Quizplus · Accepted Answer

According to the big bang theory, the universe began with a hot, dense state consisting primarily of hydrogen and helium. These two elements were the first to form after the formation of the universe. It took time for heavier elements like carbon, phosphorous, iron, and magnesium to form through stellar nucleosynthesis.

Which of the Following Elements Would Have Been the First