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Atomic Structure of Dysprosium and Iridium


Atomic Structure of Iridium and Dysprosium


Atomic Properties

Atomic Number
66   
99+
77   
39

Electron Configuration
[Xe] 4f9 6s2   
[Xe] 4f14 5d7 6s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
HCP-Crystal-Structure-of-Dysprosium.jpg#100   
FCC-Crystal-Structure-of-Iridium.jpg#100   

Atom
  
  

Number of Protons
66   
99+
74   
99+

Number of Neutrons
96   
35
110   
27

Number of Electrons
66   
99+
74   
99+

Radius of an Atom
  
  

Atomic Radius
178.00 pm   
16
136.00 pm   
99+

Covalent Radius
192.00 pm   
17
141.00 pm   
99+

Van der Waals Radius
229.00 pm   
20
202.00 pm   
27

Atomic Weight
162.50 amu   
99+
192.22 amu   
34

Atomic Volume
19.00 cm3/mol   
23
9.53 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Holmium
  
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Valence Electron Potential
47.40 (-eV)   
32
140.00 (-eV)   
5

Lattice Constant
359.30 pm   
37
383.90 pm   
26

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   

Lattice C/A Ratio
1.57   
15
Not Available   

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