8.3 Flashcards
1
Q
molecular orbitals
A
orbitals that apply to the entire molecule
2
Q
bonding orbital
A
molecular orbital that can be oppupied by two electrons of a covalent bond
3
Q
sigma bonds
A
1st bonds to form, directly b/w nuclei
4
Q
unshared pairs are placed in _____ bonds
A
sigma
5
Q
pi bonsd
A
2nd/3rd bonds to form, overlap of orbitals only and above/below sigma
6
Q
linear triatomic
A
180 degrees, sp
7
Q
trigonal planar
A
120 degrees, sp2
8
Q
bent triatomic
A
105 degrees, sp3
9
Q
pyramidal
A
107 degrees, sp3
10
Q
tetrahedral
A
109.5 degrees, sp3
11
Q
vsepr
A
valence shell electron pair repulsion
12
Q
vsepr theory
A
repulsion between electron oairs causes molecular shapes to adjust so that the valence electron pairs stah as far apart as possible
