History Of The Atom Flashcards
(8 cards)
1
Q
Who discovered the electron?
A
JJ Thompson
2
Q
Which people discovered the nucleus?
A
Rutherford, Geiger and Marsden
3
Q
Who discovered the Neutron?
A
James Chadwick
4
Q
Who discovered the electron shells?
A
Niels Bohr
5
Q
What is a sphere model
A
Atoms where hard spheres
Different sphered for different elements.
6
Q
What is a plum pudding model
A
Sphere of positive charge with electrons dotted through it.
7
Q
What is a nuclear model?
A
Nucleus with electrons orbing it.
8
Q
What is a current model
A
Nucleus containing protons and neutrons. Electrons orbit around in shells.
