Alcanos

1.  MET---1
 ET---2
 PROP---3
 BUT---4
 PENT----5
 HEX----6
 HEP---7
 OCT----8
 NON----9
 DEC---10
+ ANO
CONDENSADO
CnH2+22
C22H46
SEMIDESARROLLADA
CH3---(CH2)20---CH3
DESARROLLADA

2. Metano CH4
Etano C2H6 CH3-----CH3
Propano C3H8 CH3—CH2---CH3
Butano C4H10 CH3—CH2—CH2—CH3
Pentano C5H12 CH3—CH2—CH2—CH2---CH3
Hexano C6H14 CH3—CH2—CH2—CH2--CH2—
CH3
Heptano C7H16 CH3—CH2—CH2—CH2—CH2—
CH2—CH3