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Atomic Structure of Einsteinium and Iridium


Atomic Structure of Iridium and Einsteinium


Atomic Properties

Atomic Number
99   
19
77   
39

Electron Configuration
[Rn] 5f11 7s2   
[Xe] 4f14 5d7 6s2   

Crystal Structure
Face Centered Cubic (FCC)   
Face Centered Cubic (FCC)   

Crystal Lattice
FCC-Crystal-Structure-of-Einsteinium.jpg#100   
FCC-Crystal-Structure-of-Iridium.jpg#100   

Atom
  
  

Number of Protons
99   
19
74   
99+

Number of Neutrons
153   
9
110   
27

Number of Electrons
99   
19
74   
99+

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
136.00 pm   
99+

Covalent Radius
Not Available   
141.00 pm   
99+

Van der Waals Radius
Not Available   
202.00 pm   
27

Atomic Weight
252.00 amu   
16
192.22 amu   
34

Atomic Volume
Not Available   
9.53 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Osmium
  

Next Element
Fermium
  
Platinum
  

Valence Electron Potential
Not Available   
140.00 (-eV)   
5

Lattice Constant
Not Available   
383.90 pm   
26

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

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