Concept Map โ€” Chapter 7

Last updated at June 17, 2026 by

๐Ÿ’ก Tip: follow the blue spine from "Particulate Nature of Matter" down to each topic. On a phone the map stacks top to bottom.
Particulate Nature of Matter Matter is made of tiny particles 7.1 Composed of? Constituent particles 7.2 States of Matter Interparticle attractions 7.3 Interparticle Spacing Solid < liquid < gas 7.4 Movement Particles in motion Tiny particles Cannot be seen Interparticle spaces Gaps between them Solid Fixed shape, volume Liquid Fixed volume only Gas No fixed shape/volume Compressibility Gas compresses Thermal energy Decides the state
Particulate Nature of Matter
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7.1 What Is Matter Composed of?
Constituent particles
Tiny particles
Too small to see
Interparticle spaces
Gaps between particles
7.2 What Decides the States?
Interparticle attractions
Solid
Fixed shape and volume
Liquid
Fixed volume, no shape
Gas
No fixed shape or volume
7.3 Interparticle Spacing
Solid < liquid < gas
Compressibility
Gases compress, liquids don't
7.4 How Particles Move
Particles in constant motion
Thermal energy
Decides the state of matter
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