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25 Cards in this Set

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  • Back
what is matter?
stuff of the universe
Define mass
how much material is present
define volume
3-D space it occupies
define inertia
resistance to change in motion
define expandibility
increase in volume, decrease in pressure OR increase in temperature
define compressibility
decrease in volume if pressure is increased or temperature is decreased
define physical property
any property of matter that can be seen, shown, measured or observed, but not changing what it is.
define intensive properties
independent of the amount of matter present
define extensive properties
mass, volume, height, length, width, outside identity
define chemical property
any property that can only be observed when matter interacts with other matter
physical change with examples
any change in matter which does not alter the composition of matter.
ex: bending, folding, crushing, tearing
S-->L
melting;fusion
L-->S
freezing;solidification
L-->G
vaporization
G-->L
condensation
S-->G
sublimation
G-->S
deposition
define chemical change
any change in matter which alters the composition of matter (something entirely new)
kinetic engergy
energy of motion, vibrational motion, translational motion, rotational motion
potential energy
energy within the chemical bond
exothermic
system releases energy to the surroundings and it feels warm and fire/light/loud sounds may be present
endothermic
process by which energy is added to the system from the surroundings and it feels cold.
OR constantly added energy
metal
solid, silver, shiny, malluable, ductile, conduct electricity/heat
nonmetal
solid, liquid, gas, variety of colors, dull, low melting points, non ductile, insulator
metalloid
all solids, black, light gray, semi-conductors, moderate melting points, shatter