I Name: Period Practice Writing Formulas (8-1) Polyatomic Ions - Pg. 210 Diatomic Elements -H, N,,F,, 0,,1, Cl, Br, Cross Charges to Form Subscripts If there are prefixes in the name, there are NO CHARGES! 1. Aluminum oxide 11. Calcium carbonate 2. Copper (II) chloride 12. Carbon tetrachloride 3. Lead (II) chloride 13. Diarsenic pentoxide 4. Iron (III) oxide 14. Potassium hypochlorite 5. Calcium hydroxide 15. Potassium permanganate 6. Potassium chlorate 16. Calcium bromide 7. Ammonium hydroxide 17. Strontium fluoride 8. Tin (IV) sulfate 18. Potassium nitride 9. Dinitrogen trioxide 19. Potassium sulfite 10. Calcium nitrate 20. Iron (IT) hypochlorite Write Out the Following Formula Equations. Balance the Equation. Classify the Equation. 1. Zinc metal reacts with aqueous hydrogen chloride to produce hydrogen gas and aqueous zinc chloride. 2. Hydrogen gas reacts with oxygen gas to produce water vapor and heat. 3. Aluminum metal reacts with oxygen gas to produce aluminum oxide 4. Solid zinc sulfide and oxygen gas react when heated to fom solid zinc oxide and sulfur dioxide gas 2. Hydrogen gas reacts with oxygen gas to produce water vapor and heat. 3. Aluminum metal reacts with oxygen gas to produce aluminum oxide I 4. Solid zinc sulfide and oxygen gas react when heated to form solid zinc oxide and sulfur dioxide gas 5. Solid sodium iodide reacts with chlorine gas to produce solid sodium chloride and solid iodine. 6. Zinc metal reacts with aqueous copper (I) sulfate to produce solid copper metal and aqueous zinc sulfate. 7. Aqueous iron (III) chloride reacts with aqueous ammonium hydroxide to produce aqueous iron (III) hydroxide and aqueous ammonium chloride 8. Aqueous potassium iodide reacts with aqueous lead (11) nitrate to form solid lead (IT) lodide and aqueous potassium nitrate