Chemistry

Question 1

The three states that matter can exist as are…

Answer 1

Solid, liquid and gas

Question 2

Any substance that occupies space and has mass

Answer 2

Matter

Question 3

The two kinds of matter are…

Answer 3

Substance and mixture

Question 4

Matter is made up of…

Answer 4

tiny, indiscrete particles such as atoms, molecules or ions

Question 5

A group of two atoms that are chemically bonded together

Answer 5

Molecule

Question 6

The smallest particle of an element that can participate in a chemical reaction

Answer 6

Atom

Question 7

This kind of matter CAN’T be separated by physical or mechanical means

Answer 7

Substance

Question 8

A substance made up of identical atoms; cannot be broken down into simpler substances by ordinary chemical methods

Answer 8

Element

Question 9

Several pure substances combined PHYSICALLY but not chemically; physically separable; different parts of a mixture keep their own properties when put together

Answer 9

Mixture

Question 10

Different components of this mixture are evenly mixed and look consistent throughout

Answer 10

Homogenous mixture

Question 11

Components of this mixture are visible

Answer 11

Heterogenous mixture

Question 12

A substance containing two or more elements joined together by chemical bonds

Answer 12

Compound

Question 13

A homogenous mixture involving a solute and a solvent

Answer 13

solution

Question 14

A homogenous mixture of two elements, one of which is a solid metal

Answer 14

Alloy

Question 15

Soluble materials dissolve ________ in a solvent

Answer 15

completely

Question 16

A sample of matter with the same composition throughout

Answer 16

homogenous substance

Question 17

The substance that gets dissolved

Answer 17

solute

Question 18

The liquid which the solute dissolves in

Answer 18

solvent

Question 19

A solution is saturated when…

Answer 19

…no more solute can be dissolved while the temperature is constant

Question 20

a heterogenous mixture composed of a liquid and a solid wherein the solid doesn’t usually dissolve

Answer 20

suspension

Question 21

Mixture which doesn’t have uniform properties and composition

Answer 21

heterogenous mixture

Question 22

T/F suspensions can’t be filtered

Answer 22

F, suspensions can be filtered

Question 23

T/F Regular agitation is need to keep mixture fairly mixed in a solution

Answer 23

T

Question 24

T/F suspensions are clear

Answer 24

F, they are cloudy

Question 25

T/F emulsions are colloids

Answer 25

T

Question 26

T/F the smaller particles settle at the bottom of a suspension

Answer 26

F, the larger particles settle

Question 27

T/F suspensions are a mixture of two phases

Answer 27

T

Question 28

Properties of matter that don't change the chemical composition of a substance

Answer 28

Physical properties

Question 29

A heterogenous mixture of two or more liquids wherein one ends up as very tiny droplets within the other

Answer 29

emulsion

Question 30

a heterogenous mixture that looks very uniform yet the solute is not completely dissolved

Answer 30

colloid

Question 31

Physical properties that depend on the amount of substance

Answer 31

Extensive properties

Question 33

Physical properties that don't depend on the amount of substance

Answer 33

Intensive properties

Question 34

Intensive property pertaining to the scent of a substance

Answer 34

odor

Question 35

intensive properties are _________ properties

Answer 35

physical

Question 36

Properties of matter that change the chemical nature of a substance

Answer 36

chemical properties

Question 37

Intensive property that refers to the ability of a substance to be drawn into wires

Answer 37

ductility

Question 38

Intensive property pertaining to the shade, tiny, tone of a substance

Answer 38

Color

Question 39

Intensive property that describes how shiny a substance is

Answer 39

Luster

Question 40

Intensive property pertaining to the temperature at which the solid and liquid phases of a substance are in equilibrium

Answer 40

Melting/freezing point

Question 41

Intensive property that refers to the ability of a substance to be beaten into sheets

Answer 41

malleability

Question 42

Intensive property that refers to the ability to conduct electricity

Answer 42

Conductivity

Question 43

Extensive property that refers to the measure of the amount of matter

Answer 43

Mass

Question 44

Intensive property that refers to the toughness of a substance

Answer 44

hardness

Question 45

Intensive property pertaining to the temperature at which the vapor pressure of a liquid is equal to the atmospheric pressure

Answer 45

Boiling point

Question 46

Extensive property that refers to the measured distance of an object

Answer 46

length

Question 47

Intensive property pertaining to the measure of how compact a substance is

Answer 47

Density

Question 48

Extensive property that refers to the measure of the gravitational force of the earth on an object

Answer 48

Weight

Question 49

Chemical property that is a measure of how easily a substance will burn or ignite

Answer 49

Flammability

Question 50

Extensive property that refers to the measure of the amount of space occupied by an object

Answer 50

Volume

Question 51

Chemical property that refers to the degree which a substance can damage an organism

Answer 51

Toxicity

Question 52

Solid to gas

Answer 52

Sublimation

Question 53

Chemical property that is a measure of how much a substance does not change over time

Answer 53

Chemical stability

Question 54

Chemical property that refers to the amount of time required for a quantity of a substance to fall to half its value

Answer 54

Half- life

Question 55

Liquid to solid

Answer 55

Freezing

Question 56

Gas to solid

Answer 56

Deposition

Question 57

Solid to liquid

Answer 57

Melting

Question 58

Liquid to gas

Answer 58

Vaporization

Question 59

Gas to liquid

Answer 59

Condensation