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Atomic Structure of Europium and Iridium

Europium
Iridium
Atomic Structure of Iridium and Europium


Atomic Properties
Atomic Number
63   
99+
77   
39
Electron Configuration
[Xe] 4f7 6s2   
[Xe] 4f14 5d7 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Iridium.jpg#100   
Atom
  
  
Number of Protons
63   
99+
74   
99+
Number of Neutrons
89   
38
110   
27
Number of Electrons
63   
99+
74   
99+
Radius of an Atom
  
  
Atomic Radius
180.00 pm   
14
136.00 pm   
99+
Covalent Radius
198.00 pm   
13
141.00 pm   
99+
Van der Waals Radius
233.00 pm   
18
202.00 pm   
27
Atomic Weight
151.96 amu   
99+
192.22 amu   
34
Atomic Volume
28.90 cm3/mol   
8
9.53 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Samarium
  
Osmium
  
Next Element
Gadolinium
  
Platinum
  
Valence Electron Potential
45.60 (-eV)   
35
140.00 (-eV)   
5
Lattice Constant
458.10 pm   
17
383.90 pm   
26
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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