consist of a single atom with a positive or negative charge

Many _____________________ can form more than one possible cation.

composed of more than one atom but functions as a unit with a total positive or negative charge

Sometimes the same two or three elements combine in different ratios to form different polyatomic ions.

polyatomic ions ending in "-ite" indicates one _________________ oxygen atom than the ion with "-ate" ending

composed of two elements

When writing names and formulas for ionic compound the _____________ is always first

When writing the name of a cation with more than one possible charge, ______________________ are used to indicate the charge.

When writing names and formulas for ionic compounds the _______________ is always written last.

a compound which contains three different elements

In a chemical formula, _________________ must be used when there is more than one polyatomic ion needed for a balanced ratio.