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Atomic Structure of Cesium and Osmium

Cesium
Osmium
Atomic Structure of Osmium and Cesium


Atomic Properties
Atomic Number
55   
99+
76   
40
Electron Configuration
[Xe] 6s1   
[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
55   
99+
76   
39
Number of Neutrons
78   
99+
114   
25
Number of Electrons
55   
99+
76   
39
Radius of an Atom
  
  
Atomic Radius
265.00 pm   
1
133.80 pm   
99+
Covalent Radius
244.00 pm   
2
Not Available   
Van der Waals Radius
343.00 pm   
2
216.00 pm   
24
Atomic Weight
132.91 amu   
99+
190.23 amu   
35
Atomic Volume
71.07 cm3/mol   
1
8.49 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Tin
  
Rhenium
  
Next Element
Barium
  
Iridium
  
Valence Electron Potential
8.62 (-eV)   
99+
91.40 (-eV)   
12
Lattice Constant
614.10 pm   
5
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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