11.5 Introduction To Reaction Mechanisms Flashcards
1
Q
What is a covalent bond?
A
A shared pair of electrons between two atoms
2
Q
What is homolytic bond fission?
A
A covalent bond is broken, and each of the bonded atoms takes one of the electrons from the bond
3
Q
What is a radical?
A
A species with an unpaired electron
4
Q
What is heterolytic fission?
A
When a covalent bond breaks and one atom takes both electrons
Forms a negative ion and a positive ion
5
Q
What does a curly arrow show?
A
Movement of a pair of electrons
6
Q
What does a fish hook arrow show?
A
Movement of a single unpaired electron
7
Q
Addition reaction
A
Two reactants join together to form one product
8
Q
Substitution reaction
A
Atom or group of atoms replaced by a different atom or group of atoms
9
Q
Elimination reaction
A
Removal of a small molecule from a larger one
