Unit 2- Matter Study Guide

Question 1

What is a measure of the amount of matter an objet contains

Answer 1

Mass

Question 2

What is the space occupied by an object

Answer 2

Volume

Question 3

What is a property that depends on the amount matter in a sample (ex: mass and volume)

Answer 3

Extensive property

Question 4

What is a property that depends on the type of matter and not the amount of amount (ex: hardness)

Answer 4

Intensive property

Question 5

What is matter that has a uniform and definite composition

Answer 5

Substance

Question 6

What is a quality or condition of a substance that can be observed or measured without changing the substance’s composition (ex: hardness, color, conductivity)

Answer 6

Physical property

Question 7

What is a form of matter that has definite shape and volume

Answer 7

Solid

Question 8

What is a form of matter with indefinite shape, flows, yet has a fixed volume

Answer 8

Liquid

Question 9

What is a form of matter that takes both the shape and volume of its container

Answer 9

Gas

Question 10

What describes the gaseous state of a substance that is liquid or solid at room temperature

Answer 10

Vapor

Question 11

What is the change from solid to liquid

Answer 11

Melting

Question 12

The change from liquid to solid

Answer 12

Freezing

Question 13

The change from liquid to gas

Answer 13

Vaporization

Question 14

Vaporization from the surface of a liquid

Answer 14

Evaporation

Question 15

Vaporization from within as well as from the surface of a liquid

Answer 15

Boiling

Question 16

The change from gas to liquid

Answer 16

Condensation

Question 17

Change from solid to gas

Answer 17

Sublimation

Question 18

The change from gas to solid

Answer 18

Deposition

Question 19

No new substance is formed, but the composition of the material doesn’t change

Answer 19

Physical change

Question 20

Physical blend of 2 or more components mixtures, either heterogenous or homogenous

Answer 20

Mixture

Question 21

Mixture in which the composition is not the same throughout

Answer 21

Heterogenous mixture

Question 22

Mixture in which the compistion is the same throughout, aka solution

Answer 22

Homogeneous Mixture

Question 23

Used to describe any parts of a sample with the same composition and properties

Answer 23

Phase

Question 24

Process that separates a solid from a liquid in a heterogenous mixture

Answer 24

Filtration

Question 25

When a liquid is boiled to produce a vapor that is then condensed into a liquid

Answer 25

Distillation

Question 26

The simplest form of matter that has a unique set of properties and makes up everything

Answer 26

Element

Question 27

Substance that contains 2 or more elements chemically combined in a fixed proportion

Answer 27

Compound

Question 28

The composition of the matter is always changed, the atoms are rearranged to form a new substance

Answer 28

Chemical change

Question 29

The ability of a substance to undergo a specific chemical change

Answer 29

Chemical property

Question 30

1 or more substances change into 1 or more new substances

Answer 30

Chemical reaction

Question 31

A substance present at the start of the reaction

Answer 31

Reactant

Question 32

A substance produced in the reaction

Answer 32

Product

Question 33

A solid that forms and settles out of a liquid mixture

Answer 33

Precipitate

Question 34

Any physical change or chemical reaction, mass is conserved, Mass isn’t created or destroyed

Answer 34

Law of conservation of mass

Question 35

What are elements represented with

Answer 35

Symbols

Question 36

What are compounds represented by

Answer 36

Formulas

Question 37

Separation of a heterogenous mixture, by pouring

Answer 37

Decant

Question 38

What are the signs of a chemical change

Answer 38

Change in color (especially if you’re combining two chemicals), change in odor, gas or vapor,

Question 39

Mixture of 2 metals

Answer 39

Alloy