HYDROCARBON: compound that only contains C and H
SATURATED: The compound contains only C-C single bonds. (cannot add any other element)
UNSATURATED: The compound contains one or more C=C (different structures or atoms CAN BE ADDED to the double bond.
MOLECULAR FORMULA: Shows the exact quantity of each atom in the formula. (example= Ethene; C2H6)
EMPIRICAL FORMULA: Shows the simplest ratio among atoms in the molecular formula. (example= Ethene;CH3)
STRUCTURAL FORMULA: Shows the arrangement of atoms in a formula but not every single bond. (Example= ethene; CH3CH3)
DISPLAYED FORMULA: Shows all atoms and their bonds. (Example= Ethene;
SKELETAL FORMULA: Shows the simplified formula where all carbons and hydrogens have been removed, leaving just the skeleton. Example= Dimethylbutane;
HOMOLOGOUS SERIES: Organic compounds that have similar chemical chemical properties and show a gradual change in physical properties, (Example= melting point and boiling point of Alkanes increase with the number of C atoms in the chain)
Functional group: Atom or group of atoms that give the molecule similar chemical properties. Example= -OH is characteristic of alcohols.