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Atomic Structure of Iridium
f
Iridium
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Atomic
Atomic Number
77 39
Electron Configuration
[Xe] 4f
14
5d
7
6s
2
Crystal Structure
Face Centered Cubic (FCC)
Crystal Lattice
FCC-Crystal-Structure-of-Iridium.jpg#100
Atom
Number of Protons
74 41
Number of Neutrons
110 28
Number of Electrons
74 41
Radius of an Atom
Atomic Radius
136.00 pm 43
Covalent Radius
141.00 pm 45
Van der Waals Radius
202.00 pm 34
Atomic Weight
192.22 amu 34
Atomic Volume
9.53 cm3/mol 68
Adjacent Atomic Numbers
Previous Element
44
Next Element
20
Valence Electron Potential
140.00 (-eV) 5
Lattice Constant
383.90 pm 29
Lattice Angles
π/2, π/2, π/2
Lattice C/A Ratio
1.58 35
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