Test 1: Intro to Matter Flashcards

1
Q

Matter has 3 classifications

A

The state, property, and composition

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2
Q

Physical state refers to (3)

A

whether matter is solid, liquid or gas.

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3
Q

Solids

A

distinct shape, specific volume, cannot be compressed.

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4
Q

Liquids

A

specific volume, no distinct shape, compressed slightly.

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5
Q

Gases

A

no distinct shape or volume. Highly compressible.

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6
Q

What are the four classifications of properties

A

Physical, chemical, intensive, extensive

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7
Q

physical properties are measured without changing the

A

identity and composition

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8
Q

Chemical properties describe

A

how a substance may change, or react, to other substances.

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9
Q

Intensive properties

A

Describe the quality of a substance (color)

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10
Q

Extensive properties

A

depend on the quantity of a substance (weight)

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11
Q

Composition

A

What matter is made out of

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12
Q

Mixture

A

combination of easily separated substances

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13
Q

A pure substance cannot..

A

be easily separated into multiple pieces

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14
Q

Homogeneous mixtures

A

appear to be uniform throughout

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15
Q

Heterogeneous mixtures

A

do not appear to be uniform throughout

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16
Q

Distillation

A

separates volatile liquids from less volatile liquids

17
Q

Filtration

A

separates solid from liquid or solids of varying sizes

18
Q

Centrifugation

A

separates liquids of different density, or removes solid particles from a suspension (separate plasma from red blood cells)

19
Q

Chromatography

A

separates multiple solid, liquid, or gaseous components dissolved in a liquid or gaseous medium (separate protein & DNA)

20
Q

Adsorption

A

separates components from gas or liquid medium based on their polarity or reactivity. (Bad smell absorption)

21
Q

A pure substance has __ composition and __ properties.

A

constant composition and distinct properties

22
Q

Compound

A

several elements bonded in a chemical fashion

23
Q

Law of constant composition

A

Elemental Composition of a Pure Compound is always the same.