RSITY 烷基:从烷烃中去掉一个氢原子后余下的原子团 通式:C n2n+1 ,或R一。 CH4—-CH3 Me(methy CH3CH CH3CH2 Et(ethyl CH3CH2CH3 CH3CH2 CH2(n-C3H7)n-Pr(n-propyl CH3CHCH3(s0或C3H3)Pr CH3CH2CH2CH CH3 CH2CH2CH2(n-C4Hg)n-Bu CH3CH2CHCH3(seceis-C4H9-), s-Bu CH3CHCH2 CH3CHCH iso或iC4 Hg i-Bu CH CH CH3 CCH3 tet或t-C4Hgt-Bu CH烷基：从烷烃中去掉一个氢原子后余下的原子团。 通式：CnH2n+1－，或R－。 CH4 CH3 Me(methyl) CH3CH3 CH3CH2 Et(ethyl) CH3CH2CH3 CH3CH2CH2 (n-C3H7 ) n-Pr(n-propyl) CH3CHCH3 (iso或i-C3H3-),i-Pr CH3CH2CH2CH3 CH3CH2CH2CH2 (n-C4H9 ) n-Bu CH3CH2CHCH3 (sec或s-C4H9-),s-Bu CH3CHCH3 CH3 CH3CHCH2 CH3 CH3CCH3 CH3 iso或i-C4H9 i-Bu tert或t-C4H9 t-Bu