What Kinds of Atomic Nuclei Formed During the Nucleosynthesis Era

Multiple Choice

What kinds of atomic nuclei formed during the nucleosynthesis era?

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