genchem prelims examination

Question 1

this force keeps molecules together

Answer 1

intramolecular attraction

Question 2

the particle of this matter has complete freedom of motion

Answer 2

gas

Question 3

the particle of this matter has essentially in fixed position

Answer 3

solid

Question 4

the particle of this matter is free to move relative to each other

Answer 4

liquid

Question 5

what is the fundamental difference of particles between the state of matter?

Answer 5

distance

Question 6

solid and liquid states particles are closer together, we refer to them as

Answer 6

condensed phases

Question 7

what is the density of solid

Answer 7

very high

Question 8

what is the diffusibility of liquid

Answer 8

slow

Question 9

particles of this matter are able to slide past one another

Answer 9

liquid

Question 10

this matter assumes the shape of the container it occupies

Answer 10

liquid

Question 11

the bonding of electrons shared equally between atoms

Answer 11

nonpolar covalent bond

Question 12

the tendency of an electron cloud to distort

Answer 12

polarizability

Question 13

in this force, molecules that have permanent dipoles are attracted to each other

Answer 13

dipole-dipole interactions

Question 14

bonding of electrons shared unequally between atoms

Answer 14

polar covalent bond

Question 15

the more polar the molecule, the higher the ____

Answer 15

boiling point

Question 16

force when hydrogen is bonded to one of those very electronegative elements

Answer 16

hydrogen bonding

Question 17

force of attractions between an instantaneous dipole and an induced dipole

Answer 17

london dispersion

Question 18

the strength of these forces is what make it possible for ionic substances to dissolve in polar solvents

Answer 18

ion-dipole

Question 19

the normal boiling point is the temperature at which its vapor pressure is

Answer 19

760 torr

Question 20

gaseous state of a substance which is normally a liquid or solid at room temperature

Answer 20

vapor

Question 21

types of intermolecular forces

Answer 21

ion-dipole, london dispersion, dipole-dipole, hydrogen bonding

Question 22

elements that can bond with hydrogen in hydrogen bonding

Answer 22

Nitrogen, Oxygen, Fluorine (NOF)

Question 23

Subatomic particles

Answer 23

Electron, Proton, Neutron