Vocab for Matter (?) unit

Question 1

A solution that contains less solute than a saturated solution does and that is able to dissolve additional solute

Answer 1

unsaturated solution

Question 2

the temperature at which a substance changes from a liquid to a gas

Answer 2

boiling point

Question 3

the difference in temperature between the boiling point of a solution and the boiling point of the pure solvent

Answer 3

boiling point elevation

Question 4

A property of a solution that depends on the number, not the identity, of the solute particles.

Answer 4

colligative property

Question 5

a solid in which the atoms are arranged in a pattern that repeats again and again

Answer 5

crystal

Question 6

intermolecular forces resulting from the attraction of oppositely charged regions of polar molecules

Answer 6

dipole interactions

Question 7

the weak forces resulting from temporary shifts in the density of electrons in electron clouds

Answer 7

dispersion force

Question 8

the difference in temperature between the freezing point of a solution and the freezing point of the pure solvent

Answer 8

freezing point depression

Question 9

A state of matter with no definite shape or volume

Answer 9

gas

Question 10

Formed when one or more electrons are transferred from one atom to another

Answer 10

ionic bond

Question 11

a covalent bond in which the electrons are shared equally by the two atoms

Answer 11

nonpolar covalent

Question 12

Molecule with partial charges. Mixes with water.

Answer 12

polar

Question 13

A homogeneous mixture of two or more substances

Answer 13

solution

Question 14

A solid made up of particles that are not arranged in a regular pattern

Answer 14

amporphous solid

Question 15

a solution in which water is the solvent

Answer 15

aqueous solution

Question 16

A measurement of how much solute exists within a certain volume of solvent

Answer 16

concentration

Question 17

a molecule that has two poles, or regions, with opposite charges

Answer 17

dipole

Question 18

The change of a substance from a liquid to a gas

Answer 18

evaporation

Question 19

The temperature at which a liquid changes into a solid

Answer 19

freezing point

Question 20

A mixture in which substances are evenly distributed throughout the mixture

Answer 20

homogenous mixture

Question 21

weak attraction between a hydrogen atom and another atom

Answer 21

hydrogen bond

Question 22

Liquid solutes and solvents that are not soluble in each other

Answer 22

immiscible

Question 23

the energy an object has due to its motion

Answer 23

kinetic energy

Question 24

all matter consists of tiny particles that are in constant motion

Answer 24

kinetic theory

Question 25

A state of matter that has no definite shape but has a definite volume.

Answer 25

liquid

Question 26

Describes two liquids that are soluble in each other

Answer 26

miscible

Question 27

the number of moles of solute per liter of solution

Answer 27

molarity

Question 28

a graph showing the conditions at which a substance exists as a solid, liquid, or vapor

Answer 28

phase diagram

Question 29

A compound in which all of the bonds between carbon atoms are single bonds

Answer 29

saturated compound

Question 30

Definite shape and volume

Answer 30

solid

Question 31

A measure of how much solute can dissolve in a given solvent at a given temperature.

Answer 31

soluibility

Question 32

A substance that is dissolved in a solution.

Answer 32

solute

Question 33

A liquid substance capable of dissolving other substances

Answer 33

solvent

Question 34

contains more dissolved solute than a saturated solution at the same temperature

Answer 34

supersaturated solution

Question 35

the pressure exerted by a vapor over a liquid

Answer 35

vapor pressure

Question 36

Valence-shell electron-pair repulsion theory; because electron pairs repel, molecules adjust their shapes so that valence electron pairs are as far apart as possible

Answer 36

VSEPR theory