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True solids are ___ in structure
crystalline
Some materials are not crystalline but have other properties of solids. What are they called?
Amorphous materials
Amorphous materials
have properties of solids and liquids, but are more like solids
Four properties of gases
Pressure, volume, temperature, how much gas/number
What is pressure determined by?
How often the gas molecules collide with the container walls
What is temperature a measure of regarding gases
the average kinetic energy (mass and velocity) of the molecules
Gas molecules are usually measured in
moles