Chapter One Nitrogen Family(Group V) Central contents 1. Know the general properties of elements of the nitrogen group and inert electron pair effect 2. Know the reactions of ammonia, understand the thermal decomposition trend of ammonium salts 3. Know the properties of nitrous acid and nitrites; understand the structure of nitric acid and nitrate radical; understand the thermal decomposition trend of nitrates 4. Know well the properties of phosphoric acid and phosphates 5. Know the properties of oxides of As, Sb, Bi and their hydrates; understand the properties of sulfides ofAs, Sb, Bi, know the trends of these compounds 6. Understand the properties of the salts of As, Sb, Bi 7. Understand the identification methods for NH4. NO2:. NO3. PO4and Bi'+ 第2页 2006-02-22第 2 页 2006-02-22 2 Chapter One Nitrogen Family (Group Ⅴ) Central contents: 1. Know the general properties of elements of the nitrogen group and inert electron pair effect 2. Know the reactions of ammonia, understand the thermal decomposition trend of ammonium salts 3. Know the properties of nitrous acid and nitrites; understand the structure of nitric acid and nitrate radical; understand the thermal decomposition trend of nitrates 4. Know well the properties of phosphoric acid and phosphates 5. Know the properties of oxides of As, Sb, Bi and their hydrates; understand the properties of sulfides of As, Sb, Bi; know the trends of these compounds 6. Understand the properties of the salts of As, Sb, Bi 7. Understand the identification methods for NH4 + , NO2 - , NO3 - , PO4 3- and Bi3+