1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Rn] 5f10 7s2
[Xe] 4f14 5d7 6s2
1.3 Crystal Structure
Double Hexagonal Close Packed (DHCP)
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
186.00 pm136.00 pm
112
265
1.5.2 Covalent Radius
1.5.3 Van der Waals Radius
1.6 Atomic Weight
251.00 amu192.22 amu
6.94
294
1.7 Atomic Volume
NA9.53 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
44.50 (-eV)140.00 (-eV)
8
392.42
1.10 Lattice Constant
338.00 pm383.90 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