1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Rn] 5f7 7s2
[Rn] 5f13 7s2
1.3 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Not Known
1.3.1 Crystal Lattice
1.4 Atom
1.4.1 Number of Protons
1.4.2 Number of Neutrons
1.4.3 Number of Electrons
1.5 Radius of an Atom
1.5.1 Atomic Radius
1.5.2 Covalent Radius
1.5.3 Van der Waals Radius
244.00 pm246.00 pm
139
348
1.6 Atomic Weight
243.00 amu258.00 amu
6.94
294
1.7 Atomic Volume
17.86 cm3/molNA
1.39
71.07
1.8 Adjacent Atomic Numbers
1.8.1 Previous Element
1.8.2 Next Element
1.9 Valence Electron Potential
1.10 Lattice Constant
346.81 pmNA
228.58
891.25
1.11 Lattice Angles
1.12 Lattice C/A Ratio