Scientists Flashcards
0
Q
One type of atom for every element
A
John Dalton
1
Q
Matter is made of solid invisible particles
A
Democritus
2
Q
Discovered electrons
A
Thomson
3
Q
Discovered nucleus
A
Rutherford
4
Q
Electrons move in circular orbits
A
Bohr
5
Q
Equation that described the energy and position of the electrons in an atom
A
Schrodinger
6
Q
Electrons enter the lowest energy first
A
Aufbau principle
7
Q
At most 2 electrons per orbital- different spins
A
Pauli exclusion principle
8
Q
When electrons occupy orbitals of equal energy they don’t pair up until they have to
A
Hund’s Rule
9
Q
“Plum Pudding” model
A
J.J. Thomson’s model
10
Q
“Nuclear model”
A
Ernest Rutherford’s model
11
Q
“Planetary model”
A
Niel Bohr’s model
