1 Atomic
1.1 Atomic Number
1.2 Electron Configuration
[Xe] 4f3 6s2
[Rn] 5f14 7s2 7p1
1.3 Crystal Structure
Hexagonal Close Packed (HCP)
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
1.5.2 Covalent Radius
1.5.3 Van der Waals Radius
239.00 pm246.00 pm
139
348
1.6 Atomic Weight
140.91 amu266.00 amu
6.94
294
1.7 Atomic Volume
20.80 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
367.25 pmNA
228.58
891.25
1.11 Lattice Angles
1.12 Lattice C/A Ratio