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Atomic Structure of Iridium and Dysprosium

Iridium
Dysprosium
Atomic Structure of Dysprosium and Iridium


Atomic Properties
Atomic Number
77   
39
66   
99+
Electron Configuration
[Xe] 4f14 5d7 6s2   
[Xe] 4f9 6s2   
Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
FCC-Crystal-Structure-of-Iridium.jpg#100   
HCP-Crystal-Structure-of-Dysprosium.jpg#100   
Atom
  
  
Number of Protons
74   
99+
66   
99+
Number of Neutrons
110   
27
96   
35
Number of Electrons
74   
99+
66   
99+
Radius of an Atom
  
  
Atomic Radius
136.00 pm   
99+
178.00 pm   
16
Covalent Radius
141.00 pm   
99+
192.00 pm   
17
Van der Waals Radius
202.00 pm   
27
229.00 pm   
20
Atomic Weight
192.22 amu   
34
162.50 amu   
99+
Atomic Volume
9.53 cm3/mol   
99+
19.00 cm3/mol   
23
Adjacent Atomic Numbers
  
  
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Osmium
  
Terbium
  
Next Element
Platinum
  
Holmium
  
Valence Electron Potential
140.00 (-eV)   
5
47.40 (-eV)   
32
Lattice Constant
383.90 pm   
26
359.30 pm   
37
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.57   
15
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