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苏教2003课标版《第一单元脂肪烃》公开课PPT课件优质课下载
Reactivity
Structure
(abbreviation)
addition reaction
are unsaturated hydrocarbons of organic compouds which contain at least
one C=C bonds.
Definition
Alkenes
General formular
CnH2n
Ethene Structure
Displayed
Space – filling model
Ball – stick model
Ethene formula
Shorthand
Skeletal
σ bonding and π bonding obitals of ethylene
Hybridization
π bond
( p orbitals are parallel）
Broken π bond after rotation
Rotation is forbidden ！
A
B