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AQA GCSE Chemistry Revision > States of matter > Flashcards

States of matter Flashcards

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1
Q

What are the three states of matter?

A
  • Solids
  • Liquids
  • Gas
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2
Q

Which state of matter is shown by this particle model?

A

gas

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3
Q

Which state of matter is shown by this particle model?

A

Liquid

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4
Q

Which state of matter is shown by this particle model?

A

Solid

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5
Q

Describe the arrangement and movement of particles in a solid.

A
  • Very close together
  • Regularly pattern
  • Vibrate on the spot
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6
Q

Describe the arrangement and movement of particles in a liquid.

A
  • Close together
  • Randomly arranged
  • Move around each other
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7
Q

Describe the arrangement and movement of particles in a gas.

A
  • Far apart
  • Randomly arranged
  • Move quickly in all directions
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8
Q

Why can’t solids be compressed?

A

Because their particles are close together and have no space to move into

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9
Q

Why can liquids flow?

A

Because their particles can move around each other

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10
Q

Why can gases be compressed?

A

Because their particles are far apart and have space to move into

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11
Q

Which two states of matter cannot be compressed?

A

Solids and liquids

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12
Q

Which two states of matter can flow?

A

Liquids and gases

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13
Q

What is the change of state from solid to liquid?

A

Melting

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14
Q

What is the change of state from liquid to solid?

A

Freezing

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15
Q

What is the change of state from liquid to gas?

A

Evaporation or boiling

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16
Q

What is the change of state from gas to liquid?

A

Condensation

17
Q

What is the change of state from solid to gas?

A

Sublimation

18
Q

What is the change of state from gas to solid?

A

Deposition

19
Q

Describe what happens to particles when they melt.

A
  • Energy is transferred to the particles
  • The particles move more quickly
  • Bonds between the particles are broken
20
Q

What are the differences between evaporation and boiling?

A
  • In evaporation, particles leave the liquid at the surface only
  • In boiling, bubbles of gas form throughout the liquid
  • Boiling happens at a specific temperature, whereas evaporation can happen at any temperature
21
Q

What determines a substance’s melting point and boiling point?

A

The strength of the forces between the particles in the substance

AQA GCSE Chemistry Revision (13 decks)

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