Molecular Structure Worksheet - South Pasadena
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6South Pasadena AP Chemistry
Name __________________________________
Period ___ Date ___/___/___
9 Molecular Structure
1 – BOND TYPES
State the type of bond (covalent, ionic, or metallic) that will form from each pair of elements:
Type
Type
Mg
F
S
O
Ag Cu
Cl Br
K
Na
H
Cl
Xe
F
Li
I
Match the statement with the type of bonding:
____ Electrons are close to two nuclei, lowering the energy of the system
I.
Ionic
____ Electrons are transferred, the two oppositely charged atoms attract
M.
Metallic
____ Electrons are delocalized and move from atom to atom
C.
Covalent
9 Molecular Structure
2 – ELECTRONEGATIVITY
WITHOUT LOOKING AT THE CHART, fill in the following values for electronegativity:
H
F
O
N
Cl
S
For each pair of elements, state whether the bond is Ionic (I), Polar Covalent (PC), or Nonpolar Covalent(NC)
H
Electronegativity Values
He
Type
2.1
---
Li
Be
B
C
N
O
F
Ne
S
O
1.0
1.5
2.0
2.5
3.0
3.5
4.0
---
Na
Mg
Al
Si
P
S
Cl
Ar
Cl Br
0.9
1.2
1.5
1.8
2.1
2.5
3.0
---
K
Ca
Ga
Ge
As
Se
Br
Kr
0.8
1.0
1.6
1.8
2.0
2.4
2.8
---
Li
Cl
Rb
Sr
In
Sn
Sb
Te
I
Xe
0.8
1.0
1.7
1.8
1.9
2.1
2.5
---
C
O
Cs
Ba
Tl
Pb
Bi
Po
At
Rn
0.7
0.9
1.8
1.8
1.9
2.0
2.2
---
N
Cl
Fr
0.7
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