1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Xe] 4f14 5d10 6s2 6p3
[Rn] 5f14 6d6 7s2
1.3 Crystal Structure
Rhombohedral (RHO)
Hexagonal Close Packed (HCP)
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
156.00 pm126.00 pm
112
265
1.5.2 Covalent Radius
148.00 pm134.00 pm
96
260
1.5.3 Van der Waals Radius
1.6 Atomic Weight
208.98 amu269.00 amu
6.94
294
1.7 Atomic Volume
21.30 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
667.40 pmNA
228.58
891.25
1.11 Lattice Angles
1.12 Lattice C/A Ratio