用电子式、结构式来表示以共价键相结合的物质 H—H N N 单质:H2______、_______,N2_______、______(F2H
Cl2等)
H—Cl H—O—H 化合物:HCl________、_______,H2O________、_________,H H—C—H H—N—H NH3________、________,CH4_________、__________ H
H—O—O—H O=C=O 拓展:CO2___________、________,H2O2__________、_____________,Cl Cl—C—Cl Cl CCl4__________、________。
用结构简式来表示下列物质 CH4 CH3CH3 CH3CH2CH2CH3 CH3CH(CH3)CH3 甲烷____,乙烷_______,正丁烷_____________,异丁烷______________, CH2=CH2 CH3CH2OH CH3CHO CH CH 乙烯_________,乙炔________,苯_____,乙醇_________,乙醛_______,