1. Chemical formulation! Metallic hydrides: Formula“Stock” name“Systematic” name Lithium hydride Iron dihydride FeH 3 MgH 2 Extension task: add these to the table: Sodium hydride RbH Copper(II) hydride Why does ´lithium hydride´ have the same name in both columns?

2. FormulaName of acidName of gas H2SH2S Hydroselenic acid Hydrogen fluoride HCl Hydrobromic acid Hydrogen iodide Non-metallic hydrides: FormulaName of hydride BH 3 Diborane Methane Ammonia Extension task: Add these to the correct table: HAt H 2 P Which other names could we give to water?

3. Formula“Stock” name“Systematic” name FeO Diiron trioxide Copper(I) oxide Copper oxide Aluminium oxide Metallic oxides: Extension task: Why does the stock name for ´aluminium´ oxide not show its valency? Which valencies can ´chlorine´ have? Formula“Stock” name“Systematic” name Dichlorine monoxide Cl 2 O 3 Chlorine(V) oxide Chlorine(VII) oxide SO 2 Sulphur trioxide Non-metallic oxides:

4. Binary salts (one cation and one anion): Formula“Stock” name“Systematic” name NaCl Magnesium chloride Iron sulphide Nickel(III) nitride Formula“Stock” name“Systematic” name Sodium hydroxide Sn(OH)2 Manganese(III) hydroxide Gold trihydroxide Hydroxides (the [OH] anion has an ox. State of -1): Extension task: Explain what is wrong with ´BaOH´?

5. Oxyacids: Contains ´hydrogen…non-metal…oxygen´ ValencyAnionOxyacid LowestHypo………iteHypo………ous acid …ite…ous acid …ate…ic acid HighestPer………atePer………ic acid FormulaTraditional name HClO HClO 2 HClO 3 HClO 4 FormulaTraditional name Hypobromous acid Bromous acid Bromic acid Perbromic acid Ext: Show the valency of chlorine and bromine in each oxyacid.

6. Practice questions 1.SrO 2.Hg 2 CO 3 3.NO 2 4.BH 3 5.CuOH 6.PdH 2 7.HIO 8.K 2 MnO 4 9.KIO 4 10.HBrO 3 11.Co 2 O 3 12.(NH 4 ) 3 PO 4 1.Mercury(II) sulfide 2.Calcium carbonate 3.Zinc dichromate 4.Ammonia 5.Nitric acid 6.Sulfuric acid 7.Phosphorus(III) iodide 8.Copper(II) hydroxide 9.lead(II) iodate 10.Iron(III) fluoride 11.Ammonium iodide 12.Sodium hypochlorite 13.Zinc chromate 14.Potassium peroxide