States of matter

  • Created by: Rubyblu
  • Created on: 10-04-18 10:45
particles
a minute portion of matter
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Robert Brown (1827)
noticed particles of pollen moving around
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Albert Einstein (1905)
found pollen particles were moving due to water particles striking them
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Brownian motion
random motion of particles (following a zig-zag path)
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diffusion
the net passive movement of particles from a region of high concentration to a low concentration
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atoms
the smallest articles that cannot be broken down any further in chemical reactions
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molecules
the smallest particle in a chemical element or compound that has the chemical properties of that element or compound
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ions
one/group of atoms that carries a positive or negative electric charge as a result of having lost or gained one or more electrons
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solid
fixed shape, fixed volume, doesn't flow
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liquid
shape can change, fixed volume, flows easily
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gas
no fixed volume or shape, spread out to fill its container, lighter
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changing state
gas cooled below 100 degrees Celsius condenses to form water, which when cooled below 0 degrees freezes to form ice
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heating curve
a plot or graph wherein a substance is subjected to increasing temperature against time to measure the amount of energy it absorbs and changes state with increasing temperature
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cooling curve
a line graph that represents the change of phase of matter, typically from a gas to a solid or a liquid to a solid
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sublimation
when a substances goes straight from a solid to a gas
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melting
when a solid is heated, its particles gather more energy and vibrate more which causes the solid to expand, and melt
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boiling
when a liquid is heated, its particles gather more energy and move faster, making them bump into each other more often and causing them to bounce further away, making the liquid expand and break away
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evaporating
when some particles have more energy then others in a liquid and at boiling point some have enough energy to break away, evaporating
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pressure
depends on the temperature of the gas and the volume it takes up (when you heat a gas in a cloud container or when a gas is compressed into a small space, the pressure increases)
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relative molecular mass
is used to measure the mass of a particles
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mass of particles, temperature, RAM and diffusion
the lower the mass of it's particles, the lowers its RAM, and the higher the temperature, the faster a gas will diffuse
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Other cards in this set

Card 2

Front

noticed particles of pollen moving around

Back

Robert Brown (1827)

Card 3

Front

found pollen particles were moving due to water particles striking them

Back

Preview of the back of card 3

Card 4

Front

random motion of particles (following a zig-zag path)

Back

Preview of the back of card 4

Card 5

Front

the net passive movement of particles from a region of high concentration to a low concentration

Back

Preview of the back of card 5
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