Elements

Curium, the properties of atoms, chemical and physical properties.       Cm 96 Curium 247,0703 1s2 2s2 2p6 3s2

Americium, properties of atom, chemical and physical properties.       Am 95 Americium 243*** 1s2 2s2 2p6 3s2 3p6

Actinium, the properties of atoms, chemical and physical properties.       Th 90 Thorium 232,03806(2) 1s2 2s2 2p6 3s2

The protactinium, the properties of atoms, chemical and physical properties.       Pa 91 Protactinium 231,03588(2) 1s2 2s2 2p6

The promethium, the properties of atoms, chemical and physical properties.       Pm 61 Promethium 144,9127 1s2 2s2 2p6

The fermium, the properties of atoms, chemical and physical properties.       Fm 100 Fermium 257,0951 1s2 2s2 2p6

Berkley, properties of atom, chemical and physical properties.       Bk 97 Berkley 247,0703 1s2 2s2 2p6 3s2 3p6

California, the properties of atoms, chemical and physical properties.       Cf 98 California 251,0796 1s2 2s2 2p6 3s2

Neptunium, the properties of atoms, chemical and physical properties.       Np 93 Neptunium 237,048 1s2 2s2 2p6 3s2