Unit: Chemical Names and Formulas Day 3 - Notes Unit: Chemical Names and Formulas Formula to Name for Ionic Compounds

After today you will be able to… Identify polyatomic and monatomic ions and name them properly Write the chemical formulas and names for ionic compounds

Chemical Formula to Name Recall the format for chemical formulas… (name of cation – metal) (name of anion – nonmetal) Examples: KBr CaI2 Na(SO4) Potassium Bromide Calcium Iodide Sodium Sulfate

For elements with more than one possible charge (transition metals)… Use the charge on the anion to determine the charge on the cation! Example: Fe2(CrO4)3 +6/2=+3 -2(3)=-6 Iron (III) Chromate

Example: Sn(CO3)2 +4 -2(2)=-4 Tin (IV) Carbonate

Example: Cu3P +3/3=+1 -3 Copper (I) Phosphide

Example: Co2(CrO4)3 +6/2=+3 -2(3)=-6 Cobalt (III) Chromate

Complete and hand in your exit ticket. Questions? Complete and hand in your exit ticket.