Whereas, a polyatomic element, has a multiple atom repeating unit (e.g. copper, sodium or helium) repeating unit. A monatomic element has a single atom (e.g. Matter is made up of repeating units of atoms, molecules or ions.Īn element is a substance that contains only one type of atom as its repeating unit. What are the relationships between atom, element, molecule, ion, compound and mixture? Classification, variation, food webs and pyramids.Combustion reactions and impact on climate.Atoms elements compounds and mixtures (interactive).
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