C1 : the Nuclear Model Flashcards
1
Q
When was the Nuclear model (Rutherford model) discovered
A
1911
2
Q
What did Niehls Bohr suggest
A
That electrons orbit the nucleus at specific distances
It was accepted with the results of experiments by other scientists
We now call the orbits energy levels
3
Q
When were protons discovered
A
In 1917 by Ernest Rutherford
4
Q
When were neutrons discovered
A
1932 by James Chadwick
5
Q
What is the radius of an atom
A
0.1nm (1x10^-10m)
6
Q
What is the radius of the nucleus
A
1x10^14 m
7
Q
Charge and Mass of the subatomic particles
A
Electrons : -1 , 1/2000
Neutron : 0 , 1
Proton : +1 , 1
