Unit 3b Flashcards
1
Q
Why do atoms participate in bonding?
A
to obtain the desired 8 valence electrons
2
Q
What type of bond occurs when one atom transfers valence electrons to another atom?
A
Ionic bond
3
Q
What type of bond occurs when one atom shares valence electrons with another atom?
A
covalent
4
Q
When do you use roman numerals?
A
with transition metals
5
Q
Linear
A
180 degrees
CO2 & HBr
6
Q
Bent
A
104.5
2 bonds and 2 lone pairs
H2O
7
Q
Trigonal planar
A
120
3 bonds and 0 lone pairs
BF3
8
Q
Trigonal pyramidal
A
107
3 bonds and 1 lone pair
NH3
9
Q
Tetrahedral
A
109.5
4 bonds and 0 lone pairs
CH4
10
Q
Nonpolar covalent bonds
A
0 - 0.5
11
Q
Polar covalent bonds
A
0.5 - 1.9
12
Q
Ionic bonds
A
2 - 4
13
Q
Linear polarity
A
nonpolar
14
Q
Bent polarity
A
polar
15
Q
Trigonal planar polarity
A
nonpolar
