31 terms

Chemistry Part 2

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Terms in this set (...)

solid
state of matter with definite shape and volume
solid
state of matter with particles in a fixed position vibrating
liquid
state of matter with definite volume but not a definite shape
liquid
state of matter with particles packed tightly but they can move around one another easily
gas
state of matter with no definite shape or volume
gas
state of matter with particles that move around freely in all directions
crystalline solid
solids in which the particles are arranged in a repeating pattern, has a specific melting point
amorphous solid
a solid made up of particles that are not arranged in a regular pattern, has no specific melting point
fluid
substance that flows
surface tension
inward pull of molecules in a liquid
viscosity
A liquid's resistance to flow
melting
change of state from solid to liquid
freezing
change of state from liquid to solid
vaporization
change of state from liquid to gas
evaporation
vaporization on the surface
boiling
vaporization below the surface
evaporization
THIS IS NOT A WORD!!!
condensation
change of state from gas to liquid
sublimation
change of state from solid to gas
proton
determines the atomic number of an element
electrons
have a negative charge
chemical symbol
one or two letters that represent an element
neutron
part of an atom with no charge
deposition
change of state from a gas to a solid
expand
When gas molecules are heated, they move even faster and ___.
contract
When gas molecules are cooled, but they don't condense, they slow down and ___.
movement increases
When any particle of any state of matter is heated, how does the movement change?
movement decreases
When any particle of any state of matter is cooled (thermal energy is removed), how does the movement change?
solid
What state of matter is this?
liquid
What state of matter is this?
gas
What state of matter is this?