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34 Cards in this Set

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Atomic Theory
1- all matter consists of atoms. 2- all atoms of an element are identical. 3- atoms combine in whole number ratios to form compounds. 4- chemical rxns are rearrangements of atoms. 5- atoms are indivisible.
Lavoisier
law of conservation of mass
Proust
law of constant composition
Dalton
law of multiple proportions- come elements combine in more than one ratio but then ratios are whole number ratios of each other. but atoms are NOT indivisible.
Faraday/ Arrhenius
formation of ions
Thomson
characterized the electron in a CRT
Rutherford
proposed the nucleus model for the atom. almost all atomic mass in the nucleus of the atom. almost entire volume taken up by the electrons.
Atomic Mass
a weighted average of all the naturally occurring isotopes of an element.
H3O+
hydronium
NH4+
AMMONIUM
OH-
HYDROXIDE
O2 2-
PEROXIDE
O2-
SUPEROXIDE
I3-
TRIIODIDE
CN-
CYANIDE
SCN-
THIOCYANATE
NO3-
NITRATE
NO2-
NITRITE
SO3 2-
SULFITE
HSO3-
BISULFITE (HYDROGEN SULFITE)
SO4 2-
SULFATE
HSO4-
BISULFATE (HYDROGEN SULFATE)
CO3 2-
CARBONATE
HCO3-
BICARBONATE (HYDROGEN CARBONATE)
PO4 3-
PHOSPHATE
HPO4 2-
HYDROGEN PHOSPHATE
H2PO4-
DIHYDROGEN PHOSPHATE
ClO2-
CHLORITE
ClO3-
CHLORATE
ClO4-
PERCHLORATE
CH3CO2-
ACETATE
MnO4-
PERMANGANATE
CrO4 2-
CHROMATE
Cr2O7 2-
DICHROMATE