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11 Cards in this Set

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wealthy greek
believed in 4 elements:earth, fire, wind, water
Aristotle
1st chemist experimentation

can't prove anything without experiments

came up with scientific method
Boyle
Phlogiston Theory

virtual force
Stahl
father of chemistry

invisible force must be matter

found 3rd state of matter(gas)
Lavoisier
Atomic Theory
1.) Atoms of same element are same in size and mass

2.) All elements are made of atoms

3.) Atoms combine in simple, whole number ratios(not valid because of isotopes)

4.) different ratios give you different compounds
Dalton
cathode ray tube-

blueberry muffin theory-

magnets bend rays of electrons
Thomson
-gold foil experiment-heavy nucleus in center
Rutherford
energy levels

layers(onion)from nucleus-

no half levels-

he called them orbitals (energy levels)

had a nucleus with protons and neutrons and orbitals with electrons
Bohr
all matter is a math equation-

90 percent of the time the electrons are there-

multiple answers-

everything is based on odds
Einstein, Heisenburg, Schrodinger
E=h*v
E(energy in joules)=h(constant=6.626*10^-34js)*v(frequency in hertz)
C= λv
C(speed of light=2.998*10^8m/s)= λ(wavelength in meters)*v(frequency in nothings/second or hertz)