1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Xe] 4f4 6s2
[Rn] 6d1 7s2
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
181.00 pm195.00 pm
112
265
1.5.2 Covalent Radius
1.5.3 Van der Waals Radius
1.6 Atomic Weight
144.24 amu227.00 amu
6.94
294
1.7 Atomic Volume
20.60 cm3/mol22.54 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
43.40 (-eV)38.60 (-eV)
8
392.42
1.10 Lattice Constant
365.80 pm567.00 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