Formulas With Polyatomic Ions Worksheet. The hydroxide ion formula oh is a polyatomic group since it is made up of two different elements. Tin sn 2 4 titanium ti 2 3 4 tungsten w 6.
The chemical formula for strontium hydroxide is sr oh 2 and not sroh 2 eg. Remember to use the roman numeral system for identifying cations. 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.
Name or write the formula for the following polyatomic ions sulfate co3 2 nitrite mno3 1 perphosphate so5 2 hypoiodite bro2 1 chlorite co4 2 phosphite po5 3 percarbonate clo1 bromate io2 1 hyposulfite po4 3 permanganate no2 1 carbonite so4 2 2.
Polyatomic ions worksheet answer key polyatomic practice 1. Elements with several oxidation states. The boldfaced charge for each element represents the most common ion for that element. Name or write the formula for the following polyatomic ions sulfate co3 2 nitrite mno3 1 perphosphate so5 2 hypoiodite bro2 1 chlorite co4 2 phosphite po5 3 percarbonate clo1 bromate io2 1 hyposulfite po4 3 permanganate no2 1 carbonite so4 2 2.
