vocabulary

Question 1

Chemistry

Answer 1

the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change

Question 2

Matter

Answer 2

Particles that can take form of any state and go through the five phase changes

Question 3

Extensive Property

Answer 3

covering or affecting a large area.

Question 4

Intensive Property

Answer 4

concentrated on a single area or subject

Question 5

Mass

Answer 5

a coherent, typically large body of matter with no definite shape

Question 6

Volume

Answer 6

the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.

Question 7

Physical Property

Answer 7

the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.

Question 8

Physical Change

Answer 8

a usually reversible change in the physical properties of a substance, as size or shape

Question 9

Chemical Change

Answer 9

a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance

Question 10

Chemical Property

Answer 10

property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed

Question 11

Phases of Matter

Answer 11

solid, liquid, gas

Question 12

Solid

Answer 12

A harden definite substance

Question 13

Liquid

Answer 13

A substance that flows freely and can be changed back into solid or change into gas

Question 14

Gas

Answer 14

Lose particles that move about freely in any space available

Question 15

Freezing

Answer 15

To solidify a liquid in cold temperatures

Question 16

Melting

Answer 16

to become liquefied by warmth or heat, as ice, snow, butter, or metal.

Question 17

Vaporization

Answer 17

visible exhalation, as fog, mist, steam, smoke, or noxious gas, diffused through or suspended in the air

Question 18

Condensation

Answer 18

Being more dense

Question 19

Sublimation

Answer 19

The process of a solidified substance becoming a liquid

Question 20

Deposition

Answer 20

The direct solidification of a vapor by cooling; the reverse of sublimation.

Question 21

substance

Answer 21

Any state with specific properties

Question 22

Element

Answer 22

one of a class of substances that cannot be separated into simpler substances by chemical means.

Question 23

Chemical Symbol

Answer 23

an abbreviation or short representation of a chemical element

Question 24

Compound

Answer 24

substance formed by chemical union of two or more elements or ingredients in definite proportion by weight

Question 25

Mixture

Answer 25

A composition of two or more substances that are not chemically combined with each other and are capable of being separated.

Question 26

Homogenous Mixture

Answer 26

is simply any mixture that is uniform in composition throughout

Question 27

Heterogenous MIxture

Answer 27

a mixture that composes of components that aren’t uniform or they have localized regions that all have different properties.

Question 28

Filteration

Answer 28

the action or process of filtering something.

Question 29

Distilation

Answer 29

used to purify water or other substances, or to remove one component from a complex mixture, as when gasoline is distilled from crude oil or alcohol from a mash.

Question 30

Solution

Answer 30

a homogeneous mixture composed of two or more substances.

Question 31

Chemical Reaction

Answer 31

a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.

Question 32

Reactant

Answer 32

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

Question 33

Product

Answer 33

the species formed from chemical reactions

Question 34

Precipitate

Answer 34

cause (a substance) to be deposited in solid form from a solution.

Question 35

Law of Conversion Mass

Answer 35

mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations.