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binary compound
2eements
hunds rule
eectrons occupy orbitals of the same energy
quantum
energy required to move an electron from one place to another
bohr
electrons in speific orbits
frequency
hertz
energy=
joulz
= neutrons?
mass #- atomic #
atomic #
protons = electrons
electron=
cathode=
anode=
cathode + anode
(-)
(-)
(+)
cathode ray
daltons atomic theory
1. all elements have __________
2. an elements atoms are _____________
3. different elements can _________
4. chemical reactions occur when atoms are separated joined, or rearranged
1. atoms
2. identical
3. combine
rutherford
atomic modle, some delefcted
electrons, plum pudding
thomson
thompson discovered ____________with the ________________ ______ ______-
electrons

plum pudding
compounds =
broken down into simpler means
substance=-
fixed
mixture=
vary
during a chemical change the ____________________________
composition always changes
metric system: volume:
liter mililiter, cubic centimeter, micoliter
metric system: length
centimeter, kilometer, meteor
si
international system of units
-------------------------------------------
-meter -mole
-kelvin -second
-mole -joule
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