physics flashcards
1
Q
democritus
A
-aristotles student
-named tiny particle of matter “atomos” in the model
2
Q
demitri mendeleer
A
made periodic table
3
Q
dalton
A
-unpacked model of atom more
-most principles still accurate (3/5)
4
Q
thompson
A
-watermelon model
cathode ray experiment: created light w/ charge of electrons
5
Q
rutherford
A
-gold foil experiment- found protons and nucleus
-found out atoms are mostly empty
6
Q
bohr
A
-created planetary model- electrons orbit nucleus
7
Q
chadwick
A
-discovery of neutrons
8
Q
schrodunger
A
-we dont know exact position of electrons in model
