Category Archives: Atoms

What are the relationships between atom, element, molecule, ion, compound and mixture?

What are the relationships between atom, element, molecule, ion, compound and mixture? Matter is made up of repeating units of atoms, molecules or ions. An element is a substance that contains only one type of atom as its repeating unit. A monatomic element has a single atom (e.g. copper, sodium or helium) repeating unit. Whereas, a polyatomic element, has a multiple atom

Read more