1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Rn] 5f4 6d1 7s2
[He] 2s2
1.3 Crystal Structure
Orthorhombic (ORTH)
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
155.00 pm112.00 pm
112
265
1.5.2 Covalent Radius
1.5.3 Van der Waals Radius
221.00 pm153.00 pm
139
348
1.6 Atomic Weight
237.00 amu9.01 amu
6.94
294
1.7 Atomic Volume
11.62 cm3/mol5.00 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
96.00 (-eV)82.00 (-eV)
8
392.42
1.10 Lattice Constant
666.30 pm228.58 pm
228.58
891.25
1.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
1.12 Lattice C/A Ratio