1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Xe] 4f1 5d1 6s2
[Rn] 5f14 6d10 7s2 7p2
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
1.3 Radius of an Atom
1.3.1 Atomic Radius
181.80 pm180.00 pm
112
265
1.3.2 Covalent Radius
204.00 pm171.00 pm
96
260
1.4.1 Van der Waals Radius
1.8 Atomic Weight
140.12 amu289.00 amu
6.94
294
1.11 Atomic Volume
20.67 cm3/molNA
1.39
71.07
2.3 Adjacent Atomic Numbers
2.3.1 Previous Element
2.3.2 Next Element
2.4 Valence Electron Potential
2.7 Lattice Constant
362.00 pmNA
228.58
891.25
2.8 Lattice Angles
2.9 Lattice C/A Ratio