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spanish > Physical science chpt.2 vocab > Flashcards

Physical science chpt.2 vocab Flashcards

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1
Q

chemistry

A

the study of matter and how it changes

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1
Q

matter

A

anything that has mass and takes up space

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2
Q

element

A

a substance that cannot be Brocken down into similar substances

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3
Q

atom

A

the smallest particle that has the properties of an element

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4
Q

compound

A

a substance made of atoms or more Ethan one elemendt bound together

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5
Q

molecule

A

the smallest unit of a substance that exhibits all of the properties characteristics of that substance

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6
Q

chemical formula

A

the chemical symbols and numbers indicating the the atoms contained in the basic unit of the substance

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7
Q

pure substance

A

any matter that has a fixed composition and definite properties

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8
Q

miscible

A

describes two or more liquids that’s are able to dissolve into each other in various proportions

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8
Q

mixture

A

a combination of more than one substance

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9
Q

immiscible

A

describes two or more liquids that do not mix into eachother

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10
Q

pressure

A

the force exerted per unit area of a surface

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11
Q

viscosity

A

the resistance of a fluid to flow

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12
Q

energy

A

the ability to change or move matter

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13
Q

evaporation

A

the change of a substance from a liquid to a gas

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14
Q

condensation

A

the change of a substance from a gas to a liquid

15
Q

sublimation

A

the change of an substance from a solid to gas

16
Q

chemical property

A

the way a substance reacts with others to form a new substance with different properties

17
Q

reactivity

A

the ability of a substance to combine chemicaly with another substance

18
Q

physical property

A

a characteristic of a substance that can be observed or measured without changignthe composition of a substance

19
Q

melting point

A

the temp of which a solid becomes a liquid

20
Q

boiling point

A

the temp at which a liquid becomes a gas

21
Q

density

A

the mass per unit volume of a substance

22
Q

buoyancy

A

the force in which a more dense fluid pushes a less dense substance up

23
Q

chemical change

A

a change that occurs when a substance changes in compositon by forming one or more new substance

24
Q

physical change

A

a change in physical form or properties of a substance that occurs without a change in composition

spanish (6 decks)

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