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95 Cards in this Set
- Front
- Back
gas changes to liquid
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condensation
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mass divided by volume
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density
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resistance to flow
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viscosity
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potential for a chemicla change
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chemical activity
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afterwards a new chemical is present,the chemical change
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chemical change
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definite volume, no definite shape
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liquid
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anything that flows
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fluid
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liquid changes to gas
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vaporization
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solid changes to liquid
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melting
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change of form, no chemical make- up
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physical change
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definite volume, definite shape
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solid
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two things combined together, not necessarily chemically
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mixture
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pure substance from the periodic table, can't be broken down further
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element
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liquid changes to a solid
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freezing
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chemically combined mixture
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solution
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pure substance made up of more than one element
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compound
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no definite shape, no definite volume
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gas
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solid changes directly to gas
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sublimation
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find the density : mass= 15g
volume = 9ml |
1.67 g/ml
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no charge, mass of 1, inside nucleus
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neutron
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+ 1 charge, mass of 1, inside nucleus
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proton
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- 1 charge, mass of 0, orbiting outside nucleus
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electron
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protons = what
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atomic #
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has no distinct charge
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non-polar
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larger amount in a solution, does the dissolving
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solvent
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+ 1 charge, mass of 1, inside nucleus
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proton
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- 1 charge, mass of 0, orbiting outside nucleus
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electron
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able to disslove in
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soluble
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protons = what
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atomic #
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something's ability to stick to other stuff
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adhesion
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has no distinct charge
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non-polar
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smaller amount in solution, gets dissolved
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saturated solution
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larger amount in a solution, does the dissolving
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solvent
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a chemically mixed, uniform mixture
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solotion
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+ 1 charge, mass of 1, inside nucleus
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proton
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able to disslove in
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soluble
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has both a positive and a negative side
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polar
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- 1 charge, mass of 0, orbiting outside nucleus
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electron
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protons = what
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atomic #
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something's ability to stick to other stuff
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adhesion
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has no distinct charge
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non-polar
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smaller amount in solution, gets dissolved
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saturated solution
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a chemically mixed, uniform mixture
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solotion
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larger amount in a solution, does the dissolving
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solvent
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able to disslove in
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soluble
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has both a positive and a negative side
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polar
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something's ability to stick to other stuff
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adhesion
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smaller amount in solution, gets dissolved
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saturated solution
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a chemically mixed, uniform mixture
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solotion
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has both a positive and a negative side
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polar
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something's ability to stick to itself
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cohesion
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mixture where particles can be easily separated
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suspension
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molecules stick together to form a thin, supportive layer
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surface tension
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salt water will have a ____ freezing point
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lower
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but salt water will have a ___ boiling point than fresh water
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higher
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a charged particle
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ion
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OH-
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hydroxide
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compound that changed color when reacted with an acid or base
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indicator
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one byproduct of neutralizing and acid or base
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salt
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H+
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hydrogen
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feels slippery
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base
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tastes sour
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acid
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turns litmus parer red
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acid
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turns litmus paper blue
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base
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tastes bitter
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base
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dissolves gats and oils
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base
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produces hydroxide ions in water
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base
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corrodes metals
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acid
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produces hydrogen ions in water
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acid
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2
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strong acid
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a charged particle
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ion
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OH-
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hydroxide
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compound that changed color when reacted with an acid or base
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indicator
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one byproduct of neutralizing and acid or base
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salt
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H+
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hydrogen
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feels slippery
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base
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tastes sour
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acid
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turns litmus parer red
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acid
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turns litmus paper blue
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base
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tastes bitter
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base
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dissolves gats and oils
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base
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produces hydroxide ions in water
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base
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corrodes metals
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acid
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produces hydrogen ions in water
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acid
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2
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strong acid
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atoms with the same number of protons but different # of neutrons
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isotopes
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any biological catalyst
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enzyme
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anything that slows down a chemical reaction
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inhibitor
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minimum amount of enerygy needed to start a chemical reaction
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activation energy
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anythingthat speeds up a chemical reaction
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catalyst
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the time needed for half of an isotope to decay
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half-life
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squiggly lines
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gamma
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2 protons 2 nneutrons
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alpha
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particle identical to an electron
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beta
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above line- ___ heat ____ and this reaction would happen faster in a ___ environment
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endothermic, absorbed, warmer
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