Atomic Structure of Samarium and Polonium
Atomic Properties
Atomic Number
62
99+
84
32
Electron Configuration
[Xe] 4f6 6s2
[Xe] 4f14 5d10 6s2 6p4
Crystal Structure
Rhombohedral (RHO)
Monoclinic (MON)
Crystal Lattice
RHO-Crystal-Structure-of-Samarium.jpg#100
MON-Crystal-Structure-of-Polonium.jpg#100
Atom
Number of Protons
62
99+
84
32
Number of Neutrons
88
39
125
19
Number of Electrons
62
99+
84
32
Radius of an Atom
Atomic Radius
180.00 pm
14
168.00 pm
23
Covalent Radius
198.00 pm
13
140.00 pm
99+
Van der Waals Radius
229.00 pm
20
197.00 pm
29
Atomic Weight
150.36 amu
99+
209.00 amu
28
Atomic Volume
19.95 cm3/mol
19
22.23 cm3/mol
13
Adjacent Atomic Numbers
Valence Electron Potential
44.80 (-eV)
37
Not Available
Lattice Constant
362.10 pm
33
335.90 pm
99+
Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Lattice C/A Ratio
Not Available
Not Available
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