People Flashcards
1
Q
Democritus
A
atom
2
Q
Dalton
A
matter can't be created or destroyed mult proportions (elements in compound can combine)
3
Q
Proust
A
Definite proportions (compound always has same proportions)
4
Q
Thompson
A
Electrons w/ cathode ray tube
5
Q
Rontgen
A
X rays
6
Q
Becquerel
A
Radioactivity
7
Q
Rutherford
A
gold foil = atomic mass organization
8
Q
Chadwick
A
neutrons
9
Q
Moseley
A
protons
10
Q
Millikan
A
electron charge
11
Q
Planck
A
elements gain/lose energy in specific amounts
12
Q
bohr
A
7 energy levels
13
Q
de broglie
A
particles behave like waves
14
Q
heisenberg
A
uncertainty principle
15
Q
Schrodinger
A
wave equation