1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Xe] 4f14 5d10 6s2 6p1
[Rn] 5f3 6d1 7s2
1.3 Crystal Structure
Hexagonal Close Packed (HCP)
Orthorhombic (ORTH)
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
170.00 pm156.00 pm
112
265
1.5.2 Covalent Radius
145.00 pm196.00 pm
96
260
1.5.3 Van der Waals Radius
196.00 pm186.00 pm
139
348
1.6 Atomic Weight
204.38 amu238.03 amu
6.94
294
1.7 Atomic Volume
17.20 cm3/mol12.59 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
9.60 (-eV)170.00 (-eV)
8
392.42
1.10 Lattice Constant
345.66 pm295.08 pm
228.58
891.25
1.11 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
1.12 Lattice C/A Ratio