Ethane
2 Carbons (CH3, CH3)
Propane
3 Carbons (CH3, CH2, CH3)
Butane
4 Carbons (CH3, CH2, CH2, CH3)
Pentane
5 Carbons (CH3, CH2, CH2, CH2, CH3)
Hexane
6 Carbons
Heptane
7 Carbons
Octane
8 Carbons
Nonane
9 Carbons
Decane
10 Carbons
Undecane
11 Carbons
Dodecane
12 Carbons
Tridecane
13 carbons
Tetracane
14 Carbons
Pentecane
15 Carbons
Hexacane
16 Carbons
Heptacane
17 carbons
Octacane
18 carbons
Nonacane
19 carbons
Icosane
20 carbons
Primary carbons
Only connected to one other carbon
Secondary Carbon
Connected to two other carbons
Tertiary carbons
Connected to 3 other carbon atoms
Isemerse
Molecules that have the same molecular formula but a different structural formula
Methyl
Adding one carbon branch