1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Xe] 4f14 5d10 6s2 6p4
[Rn] 5f7 7s2
1.3 Crystal Structure
Monoclinic (MON)
Double Hexagonal Close Packed (DHCP)
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
168.00 pm173.00 pm
112
265
1.5.2 Covalent Radius
140.00 pm180.00 pm
96
260
1.5.3 Van der Waals Radius
197.00 pm244.00 pm
139
348
1.6 Atomic Weight
209.00 amu243.00 amu
6.94
294
1.7 Atomic Volume
22.23 cm3/mol17.86 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
1.10 Lattice Constant
335.90 pm346.81 pm
228.58
891.25
1.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
1.12 Lattice C/A Ratio