Names of lonic Compounds
Atom that Becomes an lon
metal
negative
Charge of lon
To name an ionic compound, put the name of the
Name
does not change
end changes to-ide
ion first, and the name of the
ion second. The ionic compound formed by lithium and chlorine is called
Formulas of lonic Compounds
The formulas for ionic compounds show the ratios in which elements combine. For example, aluminum oxide,
(Al2O3) has
atoms for every.
atoms.
What is the ratio of calcium to fluorine atoms in CaF₂?