Atomic Structure of Bismuth and Iridium
Atomic Properties
Atomic Number
83
33
77
39
Electron Configuration
[Xe] 4f14 5d10 6s2 6p3
[Xe] 4f14 5d7 6s2
Crystal Structure
Rhombohedral (RHO)
Face Centered Cubic (FCC)
Crystal Lattice
RHO-Crystal-Structure-of-Bismuth.jpg#100
FCC-Crystal-Structure-of-Iridium.jpg#100
Atom
Number of Protons
83
33
74
99+
Number of Neutrons
126
18
110
27
Number of Electrons
83
33
74
99+
Radius of an Atom
Atomic Radius
156.00 pm
29
136.00 pm
99+
Covalent Radius
148.00 pm
36
141.00 pm
99+
Van der Waals Radius
207.00 pm
26
202.00 pm
27
Atomic Weight
208.98 amu
29
192.22 amu
34
Atomic Volume
21.30 cm3/mol
14
9.53 cm3/mol
99+
Adjacent Atomic Numbers
Valence Electron Potential
41.90 (-eV)
99+
140.00 (-eV)
5
Lattice Constant
667.40 pm
2
383.90 pm
26
Lattice Angles
NA
π/2, π/2, π/2
Lattice C/A Ratio
Not Available
Not Available
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