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39 Cards in this Set

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