Intermolecular Forces
Polyatomic Ions
VSEPR
Polyatomic Ions II
General Questions
100

What is the weakest intermolecular force?

London dispersion forces. 

100

SO32-

Sulfite

100

5 Bonds and 0 Lone Pairs (AX5)

Trigonal Bipyramidal

100

SO42-

Sulfate

100

What is the most electronegative element?

Fluorine

200

What's stronger, Ion-Dipole Forces or Hydrogen Bonding?

Ion-Dipole

200

NO2-

Nitrite

200
2 Bonds and 2 Lone Pairs (AX2E2)

EG= Tetrahedral MG= Bent (Angular)

200

NO3-

Nitrate

200

What is the least electronegative element?

Francium

300

What's stronger, Dipole-Dipole or Hydrogen Bonding?

Hydrogen bonding

300

SCN-

Thiocyanate

300
3 Bonds and 1 Lone Pair (AX3E)

EG= Tetrahedral MG= Trigonal Pyramidal

300

PO43-

Phosphate

300

What does the symbol λ stand for? (Think back to beginning of class)

wavelength 

400

What elements does hydrogen have to be bonded with to allow hydrogen bonding?

N, O, F (Nitrogen, Oxygen, Fluorine)

400

ClO2-

Chlorite

400

4 bonds and 2 lone pairs (AX4E2)

EG= Octahedral MG= Square Planar

400

N3-

Azide

400

The stronger the intermolecular force the (blank) the boiling point.

Higher

500

The more surface area a compound has the more (blank) forces it has.

London dispersion 

500

Cr2O72-

Dichromate

500

4 Bonds and 1 Lone Pair (AX4E)

EG= Trigonal Bipyramidal MG= See-Saw

500

HCO3-

Bicarbonate

500

What bonds are 100% non-polar?

Anything bonded with itself or C-H

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