Warm-up What are the rules for writing formulas when given a name? When do you have to put roman numerals in parenthesis? What number goes in parenthesis? When do you change the ending of the anion? Which always comes first, cation or anion?

Ionic Nomenclature and Formulas Unit 5, Day 2

Some quick reminders Column 1 has a +1 charge Column 2 has a +2 charge Silver has a +1 charge Zinc has a +2 charge Aluminum has a +3 charge All other metals need their charges told in their names – with the charge in parenthesis

Given the following elements, write their formulas Mg+2 and Cl-1 MgCl2 Ni+3 and S-2 Ni2S3 Na+1 and N-3 Na3N Ca+2 and O-2 CaO Al+3 and F-1 AlF3 Mn+1 and Br-1 MnBr

Given the following names, write their formulas Calcium bromide CaBr2 Manganese (II) oxide MnO Sodium sulfate Na2SO4 Iron (I) Nitride Fe3N Ammonium sulfide (NH4)2S Magnesium fluoride MgF2

Given the following formulas, write their names Ni2O Nickel (I) oxide CaSO4 Calcium sulfate Na3N Sodium nitride Li2S Lithium sulfide PbF4 Lead (IV) fluoride Mg33(PO4)2 Magnesium phosphate