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39 Cards in this Set
- Front
- Back
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negatively charged ions in a base
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hydroxide ion
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bond where 2 elements share electrons
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covalent Bond
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charged particle
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ion
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Letter representing the elements on the periodic tabl of elements
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symbol
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reactions in which ionic cmpds are broken apart
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dissociation
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caused by hydrogen bonds tolding all the water molecules together
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surface tension
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a water molecule with an added hydrogen ion.
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hydronium ion
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process by which a substance becomes neutral
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neutralization
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positively charged ions found in acids
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hydrogen ions
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water creeping up thin tubes, 1 of 5 properties of water
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capillary action/ adhesion
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pH with a solution of 7 or compound w/o hydrogen
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neutral
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attraction b/w opposite charges H and O
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hydrogen bond
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the total of all the chemical reactions in the body
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metabolism
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transfer of electrons from atom ot another forming ions
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ionic bond
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a particle that is positively charged at one end and negatively at the other end
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polar molecule
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uniformly dissolved usually, see through
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solution
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substance doing the dissolving (water)
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solvent
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only observed by changing the identity of matter
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chemical change
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large clumps of molecules floating/suspended in a liquid
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suspension
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form hydrogen ions in water; has a pH below 7
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acid
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negatively charged particles that orbit the nucleau of an atom
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electron
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atoms of the same element w/ different number of neutrons; some radioactive
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isotopes
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new chemicals formed in a reaction
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product
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fundamental unit of matter
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atom
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substancd made of 1 type of atom, cant be broken down; represented by a symbol
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element
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positively charged particle in the center of an atom
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proton
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# of protons+# of neutrons; mass of nucleus
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atomic mass
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mixture that shows the identity of its compounds
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heterogeneous
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chemicals mixed in a reaction
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reactants
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# of protons in an atom
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atomic number
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mixutre that doesn't show identity of its compounds
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homogeneous
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2 or more ATOMS chemically combined (no charge)
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molecule
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substance being dissolved
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solute
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form hydroxide ions(oh) in water
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base
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2 or more ELEMENTS chemically combined
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compound
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mathematical scale used to determine the concentration of h to oh ions
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pH
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can be measured w/o changing the matter
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physical change
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neutral particle in the nucleus of an atom
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neutron
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2 or more elements, compounds evenly distributed but not chemically combined (they can be separated w/o chemicals)
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mixture
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