1
Q
Dalton?
A
Atoms as building blocks
Elements as different atoms
(Solid sphere model/billiard ball model)
2
Q
Mendeleev?
A
Elements have distinct properties
Made the periodic table
3
Q
Einstein?
A
Calculated/estimated/measured atomic size`
4
Q
Perrin?
A
Used Einstein’s information and came up with atomic mass
5
Q
What are atoms made up of?
A
Protons and neutrons inside the nucleus and electrons around it.
6
Q
Geissler?
A
Glassblower The tube (Crooke tube)
7
Q
Thomson?
A
Electrons are negative
Electrons are super small
All electrons are the same
Cathode ray tube
8
Q
Rutherford?
A
Gold foil experiment
9
Q
Bohr?
A
Quantized/energy dependent planetary model
10
Q
What does quantized mean?
A
Governed by specific amounts
Cannot buy one egg - have to buy a carton
