1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Kr] 4d5 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
136.00 pm173.00 pm
112
265
1.5.2 Covalent Radius
147.00 pm180.00 pm
96
260
1.5.3 Van der Waals Radius
200.00 pm244.00 pm
139
348
1.6 Atomic Weight
98.00 amu243.00 amu
6.94
294
1.7 Atomic Volume
8.50 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
180.00 (-eV)44.00 (-eV)
8
392.42
1.10 Lattice Constant
273.50 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