Markovnikov's rule(马氏规则) H2C=CHCH3 HX CH2CHCH3 H X Carbon atom with the Markovnikov addition product greater number of hydrogen atomsH2C CHCH3 + H + X - CH2CHCH3 H X Markovnikov addition product Carbon atom with the greater number of hydrogen atoms Markovnikov’s Rule (马氏规则）