Formulas With Polyatomic Ions Worksheet. Polyatomic ionic formula writing name key name ions formula sodium sulfate na 1 so4 2 na2so4 lithium phosphate li 1 po4 3 li3po4 aluminum acetate al 3 c2h3o2 1 al c2h3o2 3 tin ii nitrate sn 2 no3 1 sn no3 2 potassium carbonate k 1 co3 2 k2co3 iron iii sulfate fe 3 so4 2 fe2 so4 3 barium hydroxide ba 2 oh 1 ba oh 2. The hydroxide ion formula oh is a polyatomic group since it is made up of two different elements.
Remember to use the roman numeral system for identifying cations. Uranium u 3 4 5 6 zinc zn 2. The hydroxide ion formula oh is a polyatomic group since it is made up of two different elements.
Polyatomic ions worksheet answer key polyatomic practice 1.
The chemical formula for strontium hydroxide is sr oh 2 and not sroh 2 eg. Sulfur s 2 4 6. Remember to use the roman numeral system for identifying cations. Elements with several oxidation states.
