Chapter 6.2: London Dispersion Forces Vocab Cards

Question 1

Polarizability

Answer 1

How “squishy” (easily distortable) a molecule is

Question 2

Temporary Dipole (Induced Dipole)

Answer 2

An occurrence where electrons in an atom or molecule are unevenly distributed for a short time which creates a partial positive and negative charge.

Question 3

London Dispersion Force (LDF)

Answer 3

An intermolecular force between atoms caused by the presence of temporary dipoles.

Question 4

True/False:

As London Dispersion Force strength increases, polarizability increases.

Answer 4

True.

Question 5

Hydrocarbon

Answer 5

Organic compound that only contains hydrogens and carbons.

Question 6

Alkanes

Answer 6

A hydrocarbon where the carbon atoms are connected to four other carbon or hydrogen atoms.

Question 7

Viscosity

Answer 7

A liquids resistance to being poured out (flow); High viscosity means viscous; low viscosity means less viscous; influenced by LDFs.

Question 8

Constitutional Isomers (Structural Isomers)

Answer 8

Molecules with the same molecular formula, but different arrangements of atoms.

Question 9

True/False:

As molar mass (g/mol) increases, Boiling Point (K) Increases

Answer 9

True

Question 10

True/False:

Boiling Point is not Influenced by LDF

Answer 10

False; Boiling Point IS influenced by LDF