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Density
how closely packed particles are; the amount of mass per unit volume
How the particles in a solid are arranged
tightly packed in a regular structure
How the particles in a liquid are arranged
fairly packed in an irregular structure
How the particles in a gas are arranged
Spread out with no structure at all
The equation linking density, mass and volume
ρ/d = m/V
ρ
The symbol for density
m
The symbol for mass
V
the symbol for volume
Unit for density
Kilograms per cubic metre (kg/m³)
Unit for volume
Cubic metres (m³)
1 kilogram (kg) is equal to
1000 grams (g)
1 cubic metre (m³) is equal to
1,000,000 cubic centimetres (cm³)
1 gram per cubic centimetre (g/cm³) is equal to
1000 kilograms per cubic metre (kg/m³)
Volume of a regular substance
l x b x h
Volume of an irregular substance
Measure water volume, add substance, new volume is substance volume
Note 
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