Matter

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33 Terms

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matter
anything that takes up space and has mass
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substance
all particles in matter are identical
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mixture
two or more substances physically combined
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element
simplest for of matter from which more complex substances are made
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monatomic element
elements Helium, Argon, and Neon that are stable as an individual atom
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diatomic atom
elements like Oxygen, Nitrogen and Hydrogen that are stable as two atom of themselves bonded together
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Compound
two or more elements chemically combined in a foxed proportion
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homogeneous mixture
components are evenly distributed out on a microscopic level
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heterogeneous
substances in the mixture are not evenly spread out
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colloid
small particles remain dispersed throughout the mixture
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suspension
larger particles that appear uniformly distributed but will settle out of the mixture over time or if not being mixed
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physical properties
properties that can be observed directly or measured without changing the chemical identity of the substance
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melting point
temperature at which a solid becomes a liquid
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boiling point
temperature at which a liquid becomes a liquid
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viscosity
a fluid's resistance to flow
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solubility
a measure of how well a solute dissolves in a solvent
solute-what is being dissolved
solvent- what is doing the dissolving
solution- the result
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density
measure of compactness or consistency of a material
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volume of a liquid
if a liquid or an irregularly shaped solid, use a graduated cylinder (and water displacement for a solid)
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chemical properties
properties that can only be observed or measured by changing the chemical identity of a substance
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combustibility
how easily a substance will set on fire
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reactivity
how easily a substance reacts, usually with an acid or base
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oxidation
how easily a substance reacts with oxygen
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chemical change
a change in a substance that affects its chemical properties
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chemical reaction
process by which the atoms of one or more substances are rearranged to form different substances
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chemical change
-release of light
-temperature change
-odor change
-sudden change of color
-gas given off
-sudden appearance of solid
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matter particles
all matter is made up of small particles
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temperature
measure of the average kinetic energy of particles in an object
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3 states of matter
solid, liquid, gas
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solid
fixed volume and fixed shape
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liquid
fixed volume but shape changes based on container it is in
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gas
no fixed volume or shape
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plasma
matter composed of positively and negatively charged particles with extremely high kinetic energy
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solubility
the maximum amount of solute that can dissolve in a certin of the solvent and the temperature