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Atomic Structure of Cesium and 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
  
  

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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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