1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Xe] 4f14 5d10 6s2
[Rn] 6d1 7s2
1.3 Crystal Structure
Rhombohedral (RHO)
Face Centered Cubic (FCC)
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
151.00 pm195.00 pm
112
265
1.5.2 Covalent Radius
1.5.3 Van der Waals Radius
1.6 Atomic Weight
200.59 amu227.00 amu
6.94
294
1.7 Atomic Volume
14.82 cm3/mol22.54 cm3/mol
1.39
71.07
1.8 Adjacent Atomic Numbers
1.8.1 Previous Element
1.8.2 Next Element
1.9 Valence Electron Potential
28.20 (-eV)38.60 (-eV)
8
392.42
1.10 Lattice Constant
300.50 pm567.00 pm
228.58
891.25
1.11 Lattice Angles
1.12 Lattice C/A Ratio