1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Xe] 4f14 5d10 6s2 6p1
[Rn] 5f14 7s2
1.3 Crystal Structure
Hexagonal Close Packed (HCP)
Not Known
1.3.1 Crystal Lattice
1.4 Atom
1.4.1 Number of Protons
1.4.4 Number of Neutrons
1.4.6 Number of Electrons
1.5 Radius of an Atom
1.5.1 Atomic Radius
1.5.3 Covalent Radius
1.5.5 Van der Waals Radius
196.00 pm246.00 pm
139
348
1.6 Atomic Weight
204.38 amu259.00 amu
6.94
294
1.7 Atomic Volume
17.20 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
9.60 (-eV)26.00 (-eV)
8
392.42
1.10 Lattice Constant
345.66 pmNA
228.58
891.25
1.11 Lattice Angles
1.12 Lattice C/A Ratio