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Atomic Structure of Barium and Osmium

Barium
Osmium
Atomic Structure of Osmium and Barium


Atomic Properties
Atomic Number
56   
99+
76   
40
Electron Configuration
[Xe] 6s2   
[Xe] 4f14 5d6 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
56   
99+
76   
39
Number of Neutrons
81   
99+
114   
25
Number of Electrons
56   
99+
76   
39
Radius of an Atom
  
  
Atomic Radius
222.00 pm   
4
133.80 pm   
99+
Covalent Radius
215.00 pm   
5
Not Available   
Van der Waals Radius
268.00 pm   
6
216.00 pm   
24
Atomic Weight
137.33 amu   
99+
190.23 amu   
35
Atomic Volume
39.24 cm3/mol   
5
8.49 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
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Cesium
  
Rhenium
  
Next Element
Lanthanum
  
Iridium
  
Valence Electron Potential
21.30 (-eV)   
99+
91.40 (-eV)   
12
Lattice Constant
502.80 pm   
15
273.44 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.58   
14
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