What Kinds of Atomic Nuclei Formed During the Nucleosynthesis Era

Multiple Choice

What kinds of atomic nuclei formed during the nucleosynthesis era?

A) essentially all of the chemical elements, except for those heavier than uranium
B) hydrogen, helium and trace amounts of lithium, beryllium, and boron
C) only helium
D) only hydrogen
E) roughly equal amounts of hydrogen, helium, lithium, beryllium, and boron