Question

Which statement describes an atomic nucleus? An atomic nucleus is negatively charged. An atomic nucleus has no electrical charge. An atomic nucleus consists of mostly empty space. An atomic nucleus contains most of the atom’s mass.

Answer 1

The statement that describes an atomic nucleus best is that an atomic nucleus contains most of the atom's mass.

Answer 2

An atomic nucleus contains virtually all of the atom’s mass.

It would take more than 1,800 electrons to add the mass of
one more proton or neutron to the atom.