Chemistry Matter Vocab

Question 1

Matter

Answer 1

matter is any substance that has mass and takes up space by having volume.

Question 2

Physical Property

Answer 2

Property that can be found without creating a new substance.

Question 3

Chemical Property

Answer 3

Property found by reacting it with other substances

Question 4

Intensive Property

Answer 4

Physical Property that depends on nature of substance, not how much you have of it

Question 5

Extensive Property

Answer 5

Physical Property that depends on amount of substance present.

Question 6

Melting Point

Answer 6

The melting point of a substance is the temperature at which it changes state from solid to liquid. They exist in equilibrium

Question 7

Boiling Point

Answer 7

the temperature at which a liquid boils and turns to vapor.

Question 8

Hardness

Answer 8

how resistant a mineral is to scratching

Question 9

Malleability

Answer 9

a property of a material by which it can be beaten to form thin sheets.

Question 10

Ductility

Answer 10

the ability of a material to be stretched or deformed without it breaking.

Question 11

Lustre

Answer 11

optical property of metals, how shiny they are

Question 12

Viscosity

Answer 12

a measure of a fluid’s resistance to flow. how dense or thick it is

Question 13

Density

Answer 13

the measurement of how tightly a material is packed together.

Question 14

Diffusion

Answer 14

the movement of molecules from a region of higher concentration to a region of lower concentration.

Question 15

Vapour pressure

Answer 15

the pressure of a vapour in contact with its liquid or solid form.

Question 16

Particle

Answer 16

any basic unit of matter and energy. A small portion of matter.

Question 17

Aqueous

Answer 17

Dissolved in water

Question 18

Element

Answer 18

a pure substance made up of only one type of atom, cannot be broken down any way.

Question 19

Atom

Answer 19

the smallest unit of ordinary matter that forms a chemical element

Question 20

compound

Answer 20

more than one type of atom making a molecule, being held together by chemical bonds.

Question 21

molecule

Answer 21

a group of atoms bonded together , compounds

Question 22

homogeneous

Answer 22

mixture in which the composition is uniform throughout the mixture. Cannot tell apart different substances mixed in

Question 23

heterogeneous

Answer 23

a mixture in which the composition is not uniform throughout the mixture, it can contain 2 or more phases, visible to the eye

Question 24

pure substance

Answer 24

a homogeneous substance that has unchangeable composition.

Question 25

mixture

Answer 25

a system made up of two or more substances

Question 26

Solution

Answer 26

a homogeneous mixture of 2 or more substances

Question 27

Solvent

Answer 27

exists in greater quantity

Question 28

solute

Answer 28

exists in smaller quantity, is being dissolved

Question 29

alloy

Answer 29

metallic substance composed of two or more elements

Question 30

suspension

Answer 30

a heterogeneous mixture that contains solid particles sufficiently large for sedimentation (settlement)

Question 31

mechanical mixture

Answer 31

heterogeneous mixture of two or ore substances

Question 32

separates compounds by breaking molecular bonds

Answer 32

Electrolysis

Question 33

separates parts by “picking a part” or by using a magnet

Answer 33

Mechanical separation

Question 34

separates parts by pulling denser particles to the bottom of the mixture

Answer 34

Settling , centrifugación

Question 35

separates solids from liquids or gases based on the size of the particles, leaves a residue and a filtrate

Answer 35

Filtration

Question 36

using a liquid to dissolve one of the solids in a mixture, while leaving the other undissolved

Answer 36

Extraction

Question 37

boiling a solution to create a distillate and a residue

Answer 37

Distillation

Question 38

separates a dissolved solid by removing the liquid and leaving behind the solute

Answer 38

Evaporation

Question 39

purifies solids by slowly cooling down solids dissolved in a minimum amount of liquid

Answer 39

Crystallization

Question 40

separates substances using a mobile phase and a stationary phase

Answer 40

Chromatography or paper chromatography