1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Rn] 5f14 7s2 7p1
[Ar] 4s2
1.3 Crystal Structure
Hexagonal Close Packed (HCP)
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
1.5.2 Covalent Radius
1.5.3 Van der Waals Radius
246.00 pm231.00 pm
139
348
1.6 Atomic Weight
266.00 amu40.08 amu
6.94
294
1.7 Atomic Volume
NA29.90 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
NA558.84 pm
228.58
891.25
1.11 Lattice Angles
1.12 Lattice C/A Ratio