Please explain more in detail
Answer:
Only 4 %
Explanation:
Just about 4 percent of the known universe overall mass consists of atomic nuclei and is therefore described by chemical components. This proportion is around 15 percent of the total mass, with dark energy becoming the majority of the material .
Talking about ions, a cation has a positive charge. That means a positive charge is gained by an atom that gives out electrons.
I guess it is A and i think i m correct
