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Atomic Structure of Gadolinium and Iridium


Atomic Structure of Iridium and Gadolinium


Atomic Properties

Atomic Number
64   
99+
77   
39

Electron Configuration
[Xe] 4f7 5d1 6s2   
[Xe] 4f14 5d7 6s2   

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

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

Atom
  
  

Number of Protons
64   
99+
74   
99+

Number of Neutrons
93   
37
110   
27

Number of Electrons
64   
99+
74   
99+

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
136.00 pm   
99+

Covalent Radius
196.00 pm   
14
141.00 pm   
99+

Van der Waals Radius
237.00 pm   
15
202.00 pm   
27

Atomic Weight
47.87 amu   
99+
192.22 amu   
34

Atomic Volume
19.90 cm3/mol   
20
9.53 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Europium
  
Osmium
  

Next Element
Terbium
  
Platinum
  

Valence Electron Potential
46.10 (-eV)   
34
140.00 (-eV)   
5

Lattice Constant
363.60 pm   
32
383.90 pm   
26

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

Lattice C/A Ratio
1.59   
9
Not Available   

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