Unit 2: Chemical Unit 2: Chemical NomenclatureNomenclature

Section 1: Binary CompoundsSection 1: Binary Compounds

NomenclatureNomenclature

• Chemical naming systemChemical naming system– Two types of naming groupsTwo types of naming groups

• Ionic CompoundsIonic Compounds

•Covalent (Molecular) CompoundsCovalent (Molecular) Compounds

Ionic CompoundsIonic Compounds

• Bond formed between a positive and Bond formed between a positive and a negative iona negative ion– Three types of ionic compoundsThree types of ionic compounds

•binary compoundsbinary compounds

•compounds of polyatomic ionscompounds of polyatomic ions

•compounds of stock system ionscompounds of stock system ions

Binary CompoundsBinary Compounds

• Formed with only two elementsFormed with only two elements– A positive ion and a negative ionA positive ion and a negative ion

Naming Binary CompoundsNaming Binary Compounds

• Write the name of the 1Write the name of the 1stst element element

• Add part of the name of the 2Add part of the name of the 2ndnd elementelement

• End the 2End the 2ndnd name with “ide” name with “ide”– Example: NaCl Example: NaCl

Sodium and ChlorSodium and Chlorineine

Sodium ChlorSodium Chlorideide

Common Negative IonsCommon Negative Ions

• H- Hydrogen H- Hydrogen Hydride Hydride

• F- Fluorine F- Fluorine Fluoride Fluoride

• Cl- Chlorine Cl- Chlorine Chloride Chloride

• Br- Bromine Br- Bromine Bromide Bromide

• OO22- Oxygen - Oxygen Oxide Oxide

• SS22- Sulfur - Sulfur Sulfide Sulfide

• NN33- Nitrogen - Nitrogen Nitride Nitride

Let’s Practice!Let’s Practice!