Naming compounds B Nomenclature Any compound that can

Naming compounds B. Nomenclature Any compound that can exist has a unique name Several different ways to name compounds Depends on what is in the compound. 1. Binary Compound Consists of 2 different elements Examples Lithium oxide Mg. Br 2 Magnesiumbromine bromide Li. O Sr. O Strontium oxygen Al. I 3 Aluminum iodide oxide Na. F Sodium fluoride Zn. S Zinc sulfide To name these, use the name of the first atom, remove “ine” from the second atom and add “IDE” example Na sodium Cl chlorine Na. Cl Sodium chloride

2. Ternary compounds Compounds with 3 or more elements In all cases, the compound will contain at least one POLYATOMIC ION Polyatomic ion Group of atoms bonded together to obtain an overall charge Has special properties unlike the individual -3 atoms O Often acts as one atom | Also known as a radical O-P-O | Found on Table E O PO 4 -3 phosphate SO 3 -2 sulfite Name the following polyatomic ions + -3 NH PO 4 phosphate ammonium

Radicals bond IONICALLY with other ions b. Naming compounds with polyatomic ions Do not change any parts, take the name of each part of the compound Circle the polyatomic ion in each compound, then name the compound Mg. SO 4 Li. OH Ca. CO 3 Al(OH)3 Magnesium sulfate Lithium hydroxide Calcium carbonate Aluminum hydroxide Na. SCN Sodium thiocyanate NH 4 OH Ammonium hydroxide Li 2 SO 3 Lithium sulfite

3. Acids Check table K for common acids Formula starts with H and is mixed in water Will have (aq) written after it a. Binary Acids HCl(aq) Hydrochloric acid HF (aq) Hydrofluoric acid HBr (aq) Hydrobromic acid HI (aq) Hydroiodic acid

b. Ternary acid H + polyatomic ion 2 types i. If the radical ends in ATE, then the acid is named ____ ic acid H 3 PO 4(aq) phosphate Phosphoric acid H 2 SO 4(aq) sulfate HNO 3(aq) nitrate Sulfuric acid Nitric acid ii. If the radical ends in ITE, then the acid is named ___ous acid H 2 SO 3(aq) sulfite Sulfurous acid HCl. O 2(aq) chlorite Chlorous acid HNO 2(aq) nitrite Nitrous acid