Element - The name given when a substance is made from one type of atom, Compound - A substance made from more than one type of atom chemically bonded , Covalent - The bonding involving sharing of electrons, Ionic - The bonding between a metal and non metal, Ion - An atom with a charge, Formula mass - Abbreviated to Mr, Atomic mass - Abbreviated to Ar, Neutrons - The mass of an atom is equal to the number of protons and .......,

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