Activity Sheet Ch 3 (20 pts) Chemistry 121 - Dr. Price Name 1. (2 point) What are the differences and similarities between an ionic compound and a molecule? Include examples of each. 2. NaOH CaCl2 I2 MgO HBr C3H8 3. (2 point) Why do some metal ions have variable charges and other metals have fixed charges? Where are the variable charged metals found on the periodic table? (2 point) Circle the ionic compounds: 4. (8 points) Write the individual ions that react to form the following ionic compounds and name the compounds formed. Include charge on each ion. Example: a. b. C. d. Ion Ion Fe +2 + 2Cl FeCl2 + c. Calcium Chloride Na2SO4 e. Barium nitrate Compound Name (Use roman numeral naming transition elements) Iron (II) Chloride CuSO3 F5 NH4Br CuS 5. (6 points) Write the formulas for the following ionic compounds. a. Lithium phosphate b. Titanium (II) sulfide d. Manganese (IV) sulfate f. Magnesium hydroxide A F1C

Activity Sbeet Ch 3 (20 pis) Chemistry 121 - Dr. Price Name 1. (2 point) What are the differences and similarities between sn ionic compound and a molecule? Include examples of each. 2. (2 point) Circle the jonio compounds: NaOHCaCl la MgO HBr CiH 3. (2 point) Why do some metal ions bave variable charges and other metals have fixed charges? Where are the variable charged metals found on the periodic table? 4. ( 8 points) Write the individual ions that react to form the following ionic compounds and name the compounds formed. Include charge on each ion. lon Ion Compound Name. (Use roman numeral naming transition clements) Example: Fe+2+2CIFeCl2 Iron (II) Chloride a. +Na2SO4 b. +CuSO3 c. +NH4Br d. +Cu2S 5. ( 6 points) Write the formulas for the following ionic compounds. a. Lithium phosphate b. Titanium (II) sulfide c. Calcium Chloride d. Manganese (IV) sulfate c. Barium nitrate f. Magnesium hydroxide