Intermolecular Forces

Question 1

What are intermolecular forces

Answer 1

Forces between one molecule and another

Question 2

What are the three types of weak intermolecular forces??

Answer 2

Dipole dipole attraction
Hydrogen bonding
London forces

Question 3

What are dipole dipole attractions?

Answer 3

Forces between the opposite poles on two polar molecules

Molecules line up

Question 4

What is hydrogen bonding??

Answer 4

Special case of dipole dipole attraction, eg in water

Question 5

For hydrogen bonding to occur:

Answer 5

1) hydrogen atom must be attached to either O, N, or F atom
(High electronegativity)
2) must be unshared/lone electrons in electronegative atom

Question 6

What are London forces?

Answer 6

Weakest of the intermolecular forces

Happens in all molecules

Question 7

How do temporary dipole work?

Answer 7

In any atom, electrons are constantly moving, so at any given time you could have more electrons at one side than the other. One side becomes slightly positive and one is slightly negative. This negative poles can induce a positive pole in a neutral molecules and they will be attracted