vocabulary

Question 1

Chemistry

Answer 1

The study of the composition of matter and the changes that matter undergoes.

Question 2

Chemical property

Answer 2

The ability of a substance to undergo specific chemical change

Question 3

Chemical change

Answer 3

A change that produces matter with a different composition than the original matter.

Question 4

matter

Answer 4

physical substance in general, as distinct from mind and spirit that which occupies space and possesses rest mass, especially as distinct from energy.

Question 5

Extensive Properties

Answer 5

a kind of physical property depends on the amount of the substance the item has

Question 6

Intensive Properties

Answer 6

it is a property that rest with the nature of a substance

Question 7

mass

Answer 7

is a measure of the amount of matter in an object.

Question 8

volume

Answer 8

is the quantity of three-dimensional space occupied by a liquid, solid, or gas.

Question 9

Physical Property

Answer 9

is any property that is measurable, whose value describes a state of a physical system.

Question 10

physical change

Answer 10

are changes affecting the form of a chemical substance, but not its chemical composition.

Question 11

Phase (Phase of Matter)

Answer 11

The states in which matter can exist: as a solid, liquid, or gas. When temperature changes, matter can undergo a phase change, shifting from one form to another.

Question 12

soild

Answer 12

is a state of matter characterized by particles arranged such that their shape and volume are relatively stable.

Question 13

Liquid

Answer 13

is one of the states of matter.

Question 14

Gas

Answer 14

a substance that is characterized by widely separated molecules in rapid motion

Question 15

freezing

Answer 15

The process through which a substance changes from a liquid to a solid.

Question 16

Melting

Answer 16

transition of a substance from a solid to a liquid.

Question 17

Vaporization

Answer 17

an element or compound is a phase transition from the liquid phase to vapor.

Question 18

Sublimation

Answer 18

is a type of phase transition

Question 19

deposition

Answer 19

solidification of a vapor by cooling

Question 20

Substance (Pure Substance)

Answer 20

are defined as substances that are made of only one type of atom or only one type of molecule

Question 21

element

Answer 21

is composed of atoms that have the same atomic number,

Question 22

compound

Answer 22

is a substance formed when two or more chemical elements are chemically bonded together.

Question 23

Condensation

Answer 23

is the process of a substance in a gaseous state transforming into a liquid state

Question 24

Chemical Symbol

Answer 24

an abbreviation or short representation of a chemical element

Question 25

mixture

Answer 25

Any substance that has a uniform and unchanging composition

Question 26

Homogeneous Mixture

Answer 26

In physical chemistry and materials science that refers to substances and mixtures which are in a single phase.

Question 27

solution

Answer 27

is a homogeneous mixture composed of two or more substances

Question 28

Heterogeneous Mixture

Answer 28

is a combination of two or more pure substances in which the original substances retain their chemical properties.

Question 29

filtration

Answer 29

is any of various mechanical

Question 30

Distillation

Answer 30

the separating of the constituents of a liquid by boiling it and then condensing the vapor that results.

Question 31

Chemical Reaction

Answer 31

process in which one or more substances, the reactants, are converted to one or more different substances, the products.

Question 32

Reactant

Answer 32

a substance that takes part in and undergoes change during a reaction.

Question 33

Product

Answer 33

a process in which one or more substance

Question 34

precipitate

Answer 34

substance precipitated from a solution.

Question 35

Law of Conservation of Mass

Answer 35

is neither created nor destroyed. In a closed system, mass of reactants is equal to mass of products.