1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Xe] 4f5 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
183.00 pm126.00 pm
112
265
1.5.2 Covalent Radius
199.00 pm134.00 pm
96
260
1.5.3 Van der Waals Radius
1.6 Atomic Weight
145.00 amu269.00 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