1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Rn] 5f14 6d5 7s2
[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
128.00 pm197.00 pm
112
265
1.5.2 Covalent Radius
141.00 pm176.00 pm
96
260
1.5.3 Van der Waals Radius
1.6 Atomic Weight
270.00 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