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Raine Dalager flash cards > Chemistry Vocab > Flashcards

Chemistry Vocab Flashcards

1
Q

Law of Conservation of Matter

A

States that matter can be neither created nor destroyed during a chemical reaction. The mass of the products is always the same as the mass of the reactants.

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2
Q

matter

A

any substance that occupies space and has mass

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3
Q

molecule

A

A particle made of two more atoms bonded together

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4
Q

Phases of Matter

A

The states in which matter can exist; solid, liquid or gas.

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5
Q

Solid

A

State of matter that has a definite shape and volume.

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6
Q

Liquid

A

State of matter with a definite volume but no definite shape; it takes the shape of the container.

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7
Q

Gas

A

State of matter with no definite volume or shape; it takes the shape and volume of its container.

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8
Q

Plasma

A

the fourth state of matter

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9
Q

Evaportaton

A

the process of turning a liquid to vapor

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10
Q

condensation

A

The process of turning a vapor into a liquid

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11
Q

melting

A

the process of turning a solid into a liquid using heat

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12
Q

freezing

A

the process of turning a liquid into a solid

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13
Q

sublimation

A

a solid turns into a gas without going through a liquid stage

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14
Q

deposition

A

a gas turning into a solid without going through a liquid stage

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15
Q

atom

A

smallest particle of an element that still has the properties of that element

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16
Q

element

A

a pure substance that cannot be broken down into simpler substances by normal chemical processes

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17
Q

pure substance

A

matter that has the same properties and composition throughout

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18
Q

mixture

A

a combination of diffeen substances in which the component elements are individually distinct

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19
Q

compound

A

pure substance formed when two or more chemical elements are chemically bonded together

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20
Q

heterogeneous mixture

A

a combination of substances that does not have a uniform composition and properties

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21
Q

homogeneous mixture

A

a combination of substances that has uniform composition and properties

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22
Q

solubiliy

A

describing how well it dissolves in another substance

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23
Q

soluble

A

a substance that has the ability to be dissolved

24
Q

solution

A

a mixture in which solute has dissolved and dispersed throughout a solvent

25
Q

solvent

A

the chemical that dissolves a solute when forming a solution

26
Q

solute

A

the chemical that is dissolving by a solvent when forming a solution

27
Q

Density

A

The amount of matter in defined volume.

28
Q

Mass

A

Measure of the amount of matter in an object.

29
Q

Volume

A

The amount of space an object occupies.

30
Q

Physical property

A

A measurable characteristic (size, shape, or state) of matter not involving interactions with other substances (as color, hardness, boiling point).

31
Q

Chemical property

A

A characteristic of a substance that describes its potential to change when interacting with other substances (reactivity with air or water, combustibility, flammability).

32
Q

Physical change

A

A type of change in which the form of matter is altered but one substance is not transformed to another

33
Q

Chemical change

A

Process where one or more substances are altered into new and different substances.

34
Q

Melting point

A

Temperature at which a solid substance becomes a liquid.

35
Q

Boiling point

A

Temperature at which a liquid substance becomes a gas.

36
Q

Acid

A

A chemical substance that produces hydrogen ions in solution and tastes sour.

37
Q

Base

A

A chemical substance that produces hydroxide ions in solution and tastes bitter.

38
Q

Acidity

A

The readiness of a substance to produce hydrogen ions.

39
Q

Alkalinity

A

The readiness of a substance to produce hydroxide ions.

40
Q

Basicity

A

Capacity of an acid to react with a base, measured by the number of hydrogen atoms that can be replaced by a base.

41
Q

Combustibility

A

Property of a substance defining how easily it ignites and burns.

42
Q

Reactivity

A

Property of a substance relating to how easily it reacts with other substances.

43
Q

Chemical reaction

A

Combining substances so that new substances are formed that are not separated by normal chemical means. The new substances have properties different from those of the original substances.

44
Q

Precipitate

A

A solid substance that forms from a chemical reaction that takes place in a liquid solution.

45
Q

Endothermic

A

Chemical reaction in which thermal energy is absorbed.

46
Q

Exotermic

A

Chemical reaction in which thermal energy is released.

47
Q

Ph

A

Measure of acidity or basicity of a substance

48
Q

Shape

A

The external feature of a substance

49
Q

Odor

A

The characteristics smell of substance

50
Q

Magnetism

A

The characteristics ob being able to attract because of an electrical force

51
Q

Conductivity

A

The ability to produce electricity

52
Q

Viscosity

A

The characteristics of a slow moving sticky substance

53
Q

Malleability

A

The ability to be hammered or pressed down

54
Q

Ductility

A

The ability to be drawn out into thin wires

55
Q

Oxidation

A

The ability to rust do to oxygen

Raine Dalager flash cards (3 decks)

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