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Science 2020-2021 > Chemistry: Introduction to Matter > Flashcards

Chemistry: Introduction to Matter Flashcards

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1
Q

anything that has mass and takes us space

A

Matter

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2
Q

the study of matter and how matter changes

A

Chemistry

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3
Q

a single type of matter that is pure

A

Substance

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4
Q

a substance that can not be broken down into any other substances by chemical or physical means

A

Elements

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5
Q

the basic particle of which all elements are made

A

Atom

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6
Q

a group of 2 or more ATOMS held together by chemical bonds

A

Molecule

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7
Q

two or more ELEMENTS chemically combines in a set ratio

A

Compound

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8
Q

force of attractions between two atoms

A

Chemical Bond

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9
Q

shows the elements in the compound and ratio of atoms

A

Chemical Formula

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10
Q

two or more substances that are together in the same place but not chemically bound

A

Mixture

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11
Q

a type of mixture that is evenly mixed

A

Homogenous Mixture

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12
Q

a type of mixture that you can see the different parts and can be easily separated out

A

Heterogeneous Mixture

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13
Q

the measure of the force of gravity on an object

A

Weight

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14
Q

the amount of matter in a object

A

Mass

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15
Q

the amount of space that matter occupies

A

Volume

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16
Q

the measure of mass of an object in a given volume

A

Density

17
Q

the fact that matter is neither created nor destroyed in any chemical or physical change

A

Law of Conservation of Mass

18
Q

a change in which energy is absorbed

A

Endothermic Change

19
Q

a change in which energy is released

A

Exothermic Change

20
Q

the measure of how hot or cold something is

A

Temperature

21
Q

the total energy of motion of all the particles in an object

A

Thermal Energy

22
Q

the energy stored in the chemical bonds between atoms

A

Chemical Energy

23
Q

The things that a scientist may use to determine if a chemical change has occurred

A

Color change, Odor change, New substance forming, CANNOT be reversed

24
Q

The 5 states of matter

A

Solid, Liquid, Gas, Plasma, BEC

25
Q

Examples of physical properties

A

Hardness, Color, Flexibility, Temperature, Conductivity

26
Q

Examples of chemical properties

A

Flammability, Oxidation, Combustion, Tarnishing, Electrolysis

27
Q

CALCULATE DENSITY

A

Density = Mass divided Volume

28
Q

Volume can be calculated by

A

LxWxH

Science 2020-2021 (2 decks)

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