Find the density of a material, given that a 4.85 g sample occupies 3.18

The atomic nucleus made up from protons (yellow) and neutrons (blue) and held together by nuclear forces. nuclear forces (also known as nuclear interactions or strong forces) are the forces that act between two or more nucleons. they bind protons and neutrons (“nucleons”) into atomic

In any atom of any element, you will find protons and neutrons in the nucleus of any atom