States of Matter

1
States of Matter
Ch. 2 3
2
Kinetic Molecular Theory of Matter

• All particles of matter are constantly moving.
• Particles move faster (have more KE) at higher
  temperatures.
• Explains the behavior of solids, liquids and
  gases.

3
Four States of Matter

• Solids
• definite shape volume
• particle arrangement ? closely packed orderly
• low KE - particles vibrate in fixed positions
• strong attractions between atoms restrict motion

4
Four States of Matter
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Four States of Matter

• Liquids
• no definite shape (take the shape of the
  container) definite volume
• atoms are close, but more random than solids
• more KE than solids particles can move around
• Attraction between particles is medium strong
  enough to hold the volume constant, but too weak
  to keep the shape the same.

6
Four States of Matter
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Four States of Matter

• Gases
• no definite shape or volume
• particles move randomly and fill the container
• high KE (particles move very fast)
• weak attractions -- cant hold atoms together

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Four States of Matter
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Four States of Matter

• Plasma
• very high KE - particles collide with enough
  energy to break into charged particles (/-)
• gas-like, no definiteshape or volume
• stars, fluorescentlight bulbs, TV tubes

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Four States of Matter