TOPIC 1-3 Scientists Flashcards
1
Q
first described atom
A
Democritus and Leucippus
2
Q
the first to father scientific data about the existence of atom
A
Antoine Lavoisier
3
Q
proposed the first systematic atomic theory
A
John Dalton
4
Q
theorized that energy can be gained or lost only in multiples of quantity
A
Max Planck
5
Q
discovered electron
A
JJ Thompson
6
Q
discovered atom’s nucleus
A
Ernest Rutherford
7
Q
proposed the quantum model for hydrogen atom
A
Neils Bohr
8
Q
developed the concept of electron spin
A
Samuel Goudsmit and George Uhlenbeck
9
Q
developed a method to denote potential bonding electrons by using one dot for every valence electron
A
G.N. Lewis
10
Q
A
