Pattern 4 proton distributions; only belong to period six and period seven. A total of eight elements, for the sixth period, to fill the full four F protons as of the elements Nd 60; for the seventh period, to fill the full four F protons as of the elements U92.
1 |
2 |
3 |
4 |
La |
Ce |
Pr |
Nd |
Ac |
Th |
Pa |
U |
For the Nd 142 nuclide, the four F proton located on the hollow layer, is shown below:
Nd 142
Proton: 60
Neutron: 82
Spin:0
Stable
For the U238 nuclide, the four F proton located on both top layer and bottom layer, is shown below:
U 238
Proton: 92
Neutron: 146
Spin: 0