Odpowiedzi

2010-03-05T08:18:15+01:00
Alken CnH2n.
alkan CnH2n+2.
alkin CnH2n-2
2010-03-05T08:19:59+01:00
ALKANY:CnH2n+2
ALKENY:CnH2n
ALKINY:CnH2n-2