Chemistry Form 2 Lessons Difficult to Learn, Difficult to Teach Lesson Concepts Chemical properties of AlkalisHalogensChemical FamiliesAcids Bases & Salts Carbon and its CompoundsCarbon (II) Oxide SaltsIonic BondingIonic Bonding 2Covalent BondingAlkali MetalsAlkaline Earth MetalsHalogens 2 Structure of the AtomAtomic StructureBalancing Chemical EquationsNoble GasesHalogens-3