Chapter 4-5 Attractive Forces

Question 1

What is ion ion attraction/interaction?

Answer 1

strong bond between positive and negative ions

Question 2

Are all ionic compounds solid at room temperature?

Answer 2

yes

Question 3

Name the two types of attraction for covalent bonds

Answer 3

dispersion force
dipole-dipole attraction

Question 4

Explain dispersion force

Answer 4

attraction between nonpolar molecules

Question 5

explain dipole-dipole attraction

Answer 5

attraction between polar molecules

Question 6

what happens to the electrons in a non polar molecule?

Answer 6

electrons are shared equally

Question 7

what happens to electrons in a polar covalent bond?

Answer 7

electrons are shared unequally

Question 8

Do larger molecules distribute a higher or lower dispersion force?

Answer 8

higher

Question 9

Is higher or lower temperature needed to break up larger molecules with a higher dispersion force?

Answer 9

higher temperature

Question 10

Will larger molecules have a higher or lower boiling/melting point?

Answer 10

higher

Question 11

Are dipole-dipole attractions stronger or weaker than dispersion force?

Answer 11

stronger

Question 12

What bond is a special type of covalent bond is a dipole-dipole interaction?

Answer 12

hydrogen bonding

Question 13

In what molecules is hydrogen bonding possible?

Answer 13

O-H and N-H covalent bonds

Question 14

Are O-H and N-H bonds polar or nonpolar?

Answer 14

polar

Question 15

Which end of the hydrogen bond will be slightly negative?

Answer 15

O or N

Question 16

Which end of the hydrogen bond is known as the hydrogen bond acceptor?

Answer 16

the negative end

Question 17

Which end of the hydrogen bond is known as the hydrogen bond donor?

Answer 17

the molecule on the positive end

Question 18

What is an important feature (regarding water) that is unique to any molecule that forms a hydrogen bond?

Answer 18

It is soluble in water