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Samarium
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Iridium
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Actinide Series
Lanthanide Series
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Samarium
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Iridium
Atomic Structure of Samarium and Iridium
Samarium
Iridium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
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Atomic
Atomic Number
62
77
3
117
👆🏻
Electron Configuration
[Xe] 4f
6
6s
2
[Xe] 4f
14
5d
7
6s
2
Crystal Structure
Rhombohedral (RHO)
Face Centered Cubic (FCC)
Crystal Lattice
Atom
Number of Protons
62
74
3
117
👆🏻
Number of Neutrons
88
110
4
285
👆🏻
Number of Electrons
62
74
3
117
👆🏻
Radius of an Atom
Atomic Radius
180.00 pm
136.00 pm
0
348
👆🏻
Covalent Radius
198.00 pm
141.00 pm
0
260
👆🏻
Van der Waals Radius
229.00 pm
202.00 pm
0
348
👆🏻
Atomic Weight
150.36 amu
192.22 amu
6.94
294
👆🏻
Atomic Volume
19.95 cm3/mol
9.53 cm3/mol
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
44.80 (-eV)
140.00 (-eV)
0
392.42
👆🏻
Lattice Constant
362.10 pm
383.90 pm
0
891.25
👆🏻
Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Lattice C/A Ratio
1.62
1.58
0.423
1.9
👆🏻
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