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Atomic Structure of Iridium and Mendelevium


Atomic Structure of Mendelevium and Iridium


Atomic Properties

Atomic Number
77   
39
101   
17

Electron Configuration
[Xe] 4f14 5d7 6s2   
[Rn] 5f13 7s2   

Crystal Structure
Face Centered Cubic (FCC)   
Not Known   

Crystal Lattice
FCC-Crystal-Structure-of-Iridium.jpg#100   
Unknown-Crystal-Structure-of-Mendelevium.jpg#100   

Atom
  
  

Number of Protons
74   
99+
101   
17

Number of Neutrons
110   
27
157   
7

Number of Electrons
74   
99+
101   
17

Radius of an Atom
  
  

Atomic Radius
136.00 pm   
99+
Not Available   

Covalent Radius
141.00 pm   
99+
Not Available   

Van der Waals Radius
202.00 pm   
27
246.00 pm   
8

Atomic Weight
192.22 amu   
34
258.00 amu   
14

Atomic Volume
9.53 cm3/mol   
99+
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Osmium
  
Fermium
  

Next Element
Platinum
  
Nobelium
  

Valence Electron Potential
140.00 (-eV)   
5
Not Available   

Lattice Constant
383.90 pm   
26
Not Available   

Lattice Angles
π/2, π/2, π/2   
NA   

Lattice C/A Ratio
Not Available   
Not Available   

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