Răspuns:
C------------C-------C========C---------C-------C--------C
sp3,P sp3S sp2T sp2T sp3S sp3S sp3P
P=primar,S=secundar; T=tertiar
C----------C=====C
sp3P sp2T sp2S
sper ca ai inteles :))))) ti-am scris in functie de hibridizare si de valentele satisfacute