1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Xe] 4f4 6s2
[Rn] 5f14 6d6 7s2
1.3 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Hexagonal Close Packed (HCP)
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 pm126.00 pm
112
265
1.5.2 Covalent Radius
201.00 pm134.00 pm
96
260
1.5.3 Van der Waals Radius
1.6 Atomic Weight
144.24 amu269.00 amu
6.94
294
1.7 Atomic Volume
20.60 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
365.80 pmNA
228.58
891.25
1.11 Lattice Angles
1.12 Lattice C/A Ratio