1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Xe] 4f5 6s2
[Rn] 5f12 7s2
1.3 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Not Known
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
236.00 pm245.00 pm
139
348
1.6 Atomic Weight
145.00 amu257.00 amu
6.94
294
1.7 Atomic Volume
22.39 cm3/molNA
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
1.11 Lattice Angles
1.12 Lattice C/A Ratio