Question

Predicting lonic Compound Formulas Activity Ionic compounds are compounds composed of two substances which have a preferred ionic charge. The number of each type of compound must be balanced so that the ionic charge of the combination is zero, and the positive and negative charges balance. For each of the compounds below, you must interpret the name of the ionic compound using the naming rules to decide what elements or polyatomic groups make up the compound. Using the information on ionic charges (see below), fill in the common ionic charge for each element or polyatomic compound and adjust the number of each to make the ionic compound have a total charge of zero. Write the equation for the lonic Compound using this information Figure 12.7 shows the common ionic state of elements which form ionic compounds. Figure 11.6 gives the ionic state of common polyatomic groups. Use this information to fill out the table below. The first two examples are filled out for you. You may find the guidelines in table 12.2 useful. Compound 1 Compound Ionic Compound Equation Ionic Compound name Ionic Charge Ionic Number of Charge Compound 1 needed to balance? -1 Number of Compound 2 needed to balance? Cesium (Cs) Cesium Iodide +1 Iodine (1) CSI Potassium Sulfate Potassium (K) +1 Sulfate (SO) -2 K:(SO) Barium Flourde Aluminum Nitrate Lithium Sulfide

Answer 1

CIASSMAle Date Page 1 compund 1 TONIC charge compound 2 07590 Bariam (Ba) | Aluminium CAD +2 +3 Auonde (f) Initrate (NO) Aluoride Barium lodide Aluminiam nitoate Lithium saufide Berglliam oxide Ammonium sulfate Lithiam Rodide sodium nitside sodium sulfate Alaminium on bromide Ammoniam acetate Calcium phosphate Lithiam cui) Berylliam (Be) Ammoniam CNH.) Lithium cli) sodiam (Na) sodium (Na) Alaminiam CAI th sulfide Cs) - +2 oxide CO₂) - sulfate (504) - rodide CI) - tinitaide (N) - sulfate (504) -2 IF Ft Bromide (B2)-1 acetate(CH3600) - 1 Ammonium CNHA ti Calcium Cca) to phosphate (POA) 3

classmate Date Page Tonic compound No. of compound 2 needed to balance equation. 2 No. of Tcompound 1 needed to balance Banam fluoride Aluminium nitrate withium sullide 12 Berryllium oxide 12 Ammonium sulfale Lithiam Todide sodiam nitside sodium sulfate alaminium bromide 1 ammonicum acetate calciam phosphate 3 an Bafa I AI CNO3)3 La Lisa This Beoose (NH4)₂SO4 Ishib Lila Na3N Na, so AYBO2 CH3COONHA O C2H, NO2 NO ca3PO4)2 3