Atomic Nucleus
Helium Nucleus 4He Proton:2 Neutron:2 Spin:0 Proton configuration: 1s2 Neon Nucleus 20Ne Proton:10 Neutron:10 Spin:0 Proton configuration: [He] 2s2 2p6 Argon Nucleus 36Ar Proton:18 Neutron:18 Spin:0 Proton configuration: [Ne] 3s2 3p6 Krypton Nucleus ......