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Atomic Structure of Barium and Mendelevium


Atomic Structure of Mendelevium and Barium


Atomic Properties

Atomic Number
56   
99+
101   
17

Electron Configuration
[Xe] 6s2   
[Rn] 5f13 7s2   

Crystal Structure
Body Centered Cubic (BCC)   
Not Known   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
Unknown-Crystal-Structure-of-Mendelevium.jpg#100   

Atom
  
  

Number of Protons
56   
99+
101   
17

Number of Neutrons
81   
99+
157   
7

Number of Electrons
56   
99+
101   
17

Radius of an Atom
  
  

Atomic Radius
222.00 pm   
4
Not Available   

Covalent Radius
215.00 pm   
5
Not Available   

Van der Waals Radius
268.00 pm   
6
246.00 pm   
8

Atomic Weight
137.33 amu   
99+
258.00 amu   
14

Atomic Volume
39.24 cm3/mol   
5
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Cesium
  
Fermium
  

Next Element
Lanthanum
  
Nobelium
  

Valence Electron Potential
21.30 (-eV)   
99+
Not Available   

Lattice Constant
502.80 pm   
15
Not Available   

Lattice Angles
π/2, π/2, π/2   
NA   

Lattice C/A Ratio
Not Available   
Not Available   

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