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Atomic Structure of Iridium and Einsteinium

Iridium
Einsteinium
Atomic Structure of Einsteinium and Iridium


Atomic
Atomic Number
77  
39
99  
19
Electron Configuration
[Xe] 4f14 5d7 6s2  
[Rn] 5f11 7s2  
Crystal Structure
Face Centered Cubic (FCC)  
Face Centered Cubic (FCC)  
Crystal Lattice
FCC-Crystal-Structure-of-Iridium.jpg#100  
FCC-Crystal-Structure-of-Einsteinium.jpg#100  
Atom
  
  
Number of Protons
74  
99+
99  
19
Number of Neutrons
110  
28
153  
10
Number of Electrons
74  
99+
99  
19
Radius of an Atom
  
  
Atomic Radius
136.00 pm  
99+
186.00 pm  
11
Covalent Radius
141.00 pm  
99+
186.00 pm  
21
Van der Waals Radius
202.00 pm  
34
0.00 pm  
99+
Atomic Weight
192.22 amu  
34
252.00 amu  
16
Atomic Volume
9.53 cm3/mol  
99+
17.04 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Osmium
  
Californium
  
Next Element
Platinum
  
Fermium
  
Valence Electron Potential
140.00 (-eV)  
5
0.00 (-eV)  
99+
Lattice Constant
383.90 pm  
29
582.00 pm  
8
Lattice Angles
π/2, π/2, π/2  
-  
Lattice C/A Ratio
1.58  
35
1.29  
99+
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