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Chapter I Flashcards

to pass the test (30 cards)

1
Q

The combination of two or more substances wherein their substances remain.

A

Mixture

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2
Q

Color, density, or hardness are examples of

A

Physical property

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3
Q

The ability of a substance to change its chemical identity

A

Chemical property

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4
Q

SOmething that has mass and volume.

A

Matter

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5
Q

Elements or compound.

A

Pure substance.

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6
Q

Solid to liquid.

A

Melting

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7
Q

Liquid to solid.

A

Freezing

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8
Q

Solid to gas.

A

Sublimation.

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9
Q

Gas to solid.

A

Deposition.

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10
Q

Liquid to gas.

A

Evaporation.

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11
Q

Gas to liquid.

A

Condensation

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12
Q

T/F: Colloids have particles bigger than those in solution but smaller than those in suspension.

A

True.

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13
Q

Colloid is a _______ mixture.

A

heterogeneous

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14
Q

Energy at rest.

A

Potential energy.

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15
Q

Energy in motion.

A

Kinetic energy.

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16
Q

Characteristic that is displayed without any change in composition.

A

Physical property.

17
Q

Physical property that will be the same regardless of the amount of matter.

A

Intensive property.

18
Q

Physical property that will change if the amount of matter changes.

A

Extensive property.

19
Q

Any characteristic that gives a sample of matter the ability/inability to undergo a change that alters its composition.

A

Chemical property.

20
Q

The appearance changes, but the composition remains the same.

A

Physical change.

21
Q

Matter is transformed to new kinds of matter with altered compositions.

A

Chemical change.

22
Q

mgh

A

Potential energy

23
Q

(mv^2)/2

A

Kinetic energy.

24
Q

Meaning of “atomos.”

25
How many periods in the P.T.?
7
26
How many groups in the P.T.?
18
27
Same element but different number of neutrons/atomic mass.
Isotopes.
28
p+n
Atomic mass
29
Atomic mass-p
Neutrons
30
=p=e
Atomic number