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Chemistry 9 > Physical/Chemical Changes + Changes of State > Flashcards

Physical/Chemical Changes + Changes of State Flashcards

1
Q

Solid –> Liquid

A

Melting

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2
Q

Liquid –> Solid

A

Freezing

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3
Q

Liquid –> Gas

A

Evaporating/Boiling

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4
Q

Gas –> Liquid

A

Condensing

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5
Q

Solid –> Gas

A

Subliming

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6
Q

Gas –> Solid

A

Depositing

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7
Q

Define element

A

Substance made of one type of atom

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8
Q

Define compound

A

Substance made of two or more types of atoms that are chemically bonded

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9
Q

Define mixture

A

Substance made of two or more types of atoms that are not chemically bonded

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10
Q

Define atom

A

The smallest unit of matter that retains its properties (neutral)

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11
Q

Define molecule

A

Group of two or more atoms (neutral)

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12
Q

Define ion

A

Atom or molecule with a charge (+ or -)

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13
Q

Define foam

A

A mixture where a gas is mixed in with a solid or liquid

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14
Q

Define suspension

A

A mixture when an insoluble solid is mixed in with a liquid

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15
Q

Define aerosol

A

A mixture where fine solid or liquid particles are mixed in with a gas

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16
Q

What will happen to gas that is compressed under extreme pressure?

A

It will turn into a liquid, and eventually a solid

17
Q

Explain one way the properties of solids and liquids are similar

A

They are both dense because their particles are touching

18
Q

Only the arrangement of the particles changes. Physical or chemical change?

A

Physical

19
Q

1.

The bonding of the particles changes. Physical or chemical change?

A

Chemical

20
Q

The changes are reversible. Physical or chemical change?

A

Physical

21
Q

The changes are irreversible. Physical or chemical change?

A

Chemical

22
Q

No new chemicals are formed. Physical or chemical change?

A

Physical

23
Q

New chemicals are formed. Physical or chemical change?

A

Chemical

24
Q

Is decomposition a physical or chemical change?

A

Chemical

25
Q

Is neutralization a physical or chemical change?

A

Chemical

26
Q

Is crystallizing a physical or chemical change?

A

Physical

27
Q

Is dissolving a physical or chemical change?

A

Physical

28
Q

Are changes of state physical or chemical changes?

A

Physical

29
Q

Is precipitation a physical or chemical change?

A

Chemical

30
Q

Is decomposition a physical or chemical change?

A

Chemical

Chemistry 9 (3 decks)

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