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what is an ion?
a positivley or negativley charged atom or molecule
what is a chemical bond?
a chemical link between two atoms, which holds the atoms together
what is an ionic bond?
a chemaical bond that forms between oppositely charged ions
what is an ionic compound?
a compound made of two oppositely charged ions
what is a molecular compound?
a compund formed when atoms of two or more different elements share electrons
what is a covalent bond?
a chemical bond in which one or more pairs of electrons are shared by two atoms
what is a molecule?
the smallest descrete particle of a pure substance, which has one or more pairs of electrons.