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GCSE Chemistry 🧪 > States Of Matter 🪨 > Flashcards

States Of Matter 🪨 Flashcards

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1
Q

The stronger the forces of attraction, the more ________ is needed to overcome then for a state change to occur.

A

Energy

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2
Q

The stronger the forces between the particles the ________ the melting point and boiling point of the substance.

A

Higher

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3
Q

Interconversion of melting?

A

Solid to liquid

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4
Q

Interconversion of boiling?

A

Liquid to a gas

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5
Q

Interconversion of freezing?

A

Liquid to solid

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6
Q

Interconversion of evaporation?

A

Liquid to gas (at surface only)

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7
Q

Interconversion of condensation?

A

Gas to liquid

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8
Q

Interconversion of sublimation?

A

Solid to gas

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9
Q

At what temperature does melting occur?

A

At the melting point

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10
Q

At what temperature does boiling occur?

A

At the boiling point

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11
Q

Freezing occurs at the same temperature as ________.

A

Melting

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12
Q

Evaporation can only occur at the _______ of liquids.

A

Surface

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13
Q

When a gas is cooled its particles ______ energy.

A

Lose

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14
Q

What is sublimation?

A

When a solid changes directly into a gas

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15
Q

What is the reverse of sublimation called?

A

Desublimation or deposition

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16
Q

What physical state will a substance be in below melting point?

A

Solid state

17
Q

What physical state will a substance be in above the melting point?

A

Liquid state

18
Q

What physical state will a substance be in above the boiling point?

A

Gaseous state

19
Q

Boiling and _________ take place at the boiling point.

A

Condensation

20
Q

What is the difference between evaporation and boiling?

A

Evaporation happens at surface level only.

21
Q

Density of a solid?

A

High

22
Q

Density of a liquid?

A

Medium

23
Q

Density of a gas?

A

Low

24
Q

Arrangement of particles in a solid?

A

Regular pattern

25
Q

Arrangement of particles in a liquid?

A

Randomly arranged

26
Q

Arrangement of particles in a gas?

A

Randomly arranged

27
Q

Movement of particles in a solid?

A

Vibrate around a fixed position

28
Q

Movement of particles in a liquid?

A

Move around each other, freely

29
Q

Movement of particles in a gas?

A

Move quickly in all directions

30
Q

Energy of particles in a solid?

A

Low energy

31
Q

Energy of particles in a liquid?

A

Greater energy

32
Q

Energy of particles in a gas?

A

Highest energy

33
Q

What state of matter has a fixed volume and a fixed shape?

A

Solids

34
Q

Can solids be compressed?

A

No - too close together and have no space to move into.

35
Q

Which state of matter has a fixed volume but no fixed shape?

A

Liquids

36
Q

Can liquids be compressed?

A

Cannot be easily compressed, because their participles are close together.

37
Q

Which state of matter has no fixed shape or volume?

A

Gases

38
Q

Can gases be compressed?

A

Yes because their particles are far apart and have space to move into.

GCSE Chemistry 🧪 (11 decks)

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