1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Kr] 5s2
[Xe] 4f1 5d1 6s2
1.3 Crystal Structure
Face Centered Cubic (FCC)
Double Hexagonal Close Packed (DHCP)
1.3.1 Crystal Lattice
1.4 Atom
1.4.1 Number of Protons
1.4.4 Number of Neutrons
1.4.7 Number of Electrons
1.5 Radius of an Atom
1.5.1 Atomic Radius
215.00 pm181.80 pm
112
265
1.6.1 Covalent Radius
195.00 pm204.00 pm
96
260
1.7.1 Van der Waals Radius
249.00 pm235.00 pm
139
348
1.8 Atomic Weight
87.62 amu140.12 amu
6.94
294
1.10 Atomic Volume
33.70 cm3/mol20.67 cm3/mol
1.39
71.07
1.11 Adjacent Atomic Numbers
1.11.1 Previous Element
1.11.2 Next Element
1.12 Valence Electron Potential
25.70 (-eV)41.78 (-eV)
8
392.42
1.13 Lattice Constant
608.49 pm362.00 pm
228.58
891.25
1.14 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
1.15 Lattice C/A Ratio