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Chemistry 11 > Chemistry Matter Vocab > Flashcards

Chemistry Matter Vocab Flashcards

1
Q

Matter

A

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

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2
Q

Physical Property

A

Property that can be found without creating a new substance.

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3
Q

Chemical Property

A

Property found by reacting it with other substances

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4
Q

Intensive Property

A

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

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5
Q

Extensive Property

A

Physical Property that depends on amount of substance present.

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6
Q

Melting Point

A

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

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7
Q

Boiling Point

A

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

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8
Q

Hardness

A

how resistant a mineral is to scratching

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9
Q

Malleability

A

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

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10
Q

Ductility

A

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

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11
Q

Lustre

A

optical property of metals, how shiny they are

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12
Q

Viscosity

A

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

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13
Q

Density

A

the measurement of how tightly a material is packed together.

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14
Q

Diffusion

A

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

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15
Q

Vapour pressure

A

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

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16
Q

Particle

A

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

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17
Q

Aqueous

A

Dissolved in water

18
Q

Element

A

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

19
Q

Atom

A

the smallest unit of ordinary matter that forms a chemical element

20
Q

compound

A

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

21
Q

molecule

A

a group of atoms bonded together , compounds

22
Q

homogeneous

A

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

23
Q

heterogeneous

A

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

24
Q

pure substance

A

a homogeneous substance that has unchangeable composition.

25
Q

mixture

A

a system made up of two or more substances

26
Q

Solution

A

a homogeneous mixture of 2 or more substances

27
Q

Solvent

A

exists in greater quantity

28
Q

solute

A

exists in smaller quantity, is being dissolved

29
Q

alloy

A

metallic substance composed of two or more elements

30
Q

suspension

A

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

31
Q

mechanical mixture

A

heterogeneous mixture of two or ore substances

32
Q

separates compounds by breaking molecular bonds

A

Electrolysis

33
Q

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

A

Mechanical separation

34
Q

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

A

Settling , centrifugación

35
Q

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

A

Filtration

36
Q

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

A

Extraction

37
Q

boiling a solution to create a distillate and a residue

A

Distillation

38
Q

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

A

Evaporation

39
Q

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

A

Crystallization

40
Q

separates substances using a mobile phase and a stationary phase

A

Chromatography or paper chromatography

Chemistry 11 (2 decks)

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