1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Kr] 4d2 5s2
[Rn] 5f7 7s2
1.3 Crystal Structure
Hexagonal Close Packed (HCP)
Double Hexagonal Close Packed (DHCP)
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
160.00 pm173.00 pm
112
265
1.5.2 Covalent Radius
175.00 pm180.00 pm
96
260
1.5.3 Van der Waals Radius
200.00 pm244.00 pm
139
348
1.6 Atomic Weight
91.22 amu243.00 amu
6.94
294
1.7 Atomic Volume
14.10 cm3/mol17.86 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
80.00 (-eV)44.00 (-eV)
8
392.42
1.10 Lattice Constant
323.20 pm346.81 pm
228.58
891.25
1.11 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
1.12 Lattice C/A Ratio