1 Atomic
1.1 Atomic Number
1.3 Electron Configuration
[Xe] 4f7 5d1 6s2
[Ar] 4s1
1.4 Crystal Structure
Hexagonal Close Packed (HCP)
Body Centered Cubic (BCC)
1.4.1 Crystal Lattice
1.5 Atom
1.5.1 Number of Protons
2.1.1 Number of Neutrons
2.4.2 Number of Electrons
2.5 Radius of an Atom
2.5.1 Atomic Radius
180.00 pm227.00 pm
112
265
2.5.2 Covalent Radius
196.00 pm203.00 pm
96
260
2.5.4 Van der Waals Radius
237.00 pm275.00 pm
139
348
2.7 Atomic Weight
47.87 amu39.10 amu
6.94
294
2.8 Atomic Volume
19.90 cm3/mol45.46 cm3/mol
1.39
71.07
2.10 Adjacent Atomic Numbers
2.10.1 Previous Element
2.10.2 Next Element
2.11 Valence Electron Potential
46.10 (-eV)10.40 (-eV)
8
392.42
2.13 Lattice Constant
363.60 pm532.80 pm
228.58
891.25
2.14 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
2.15 Lattice C/A Ratio