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Atomic Structure of Einsteinium and Osmium


Atomic Structure of Osmium and Einsteinium


Atomic Properties

Atomic Number
99   
19
76   
40

Electron Configuration
[Rn] 5f11 7s2   
[Xe] 4f14 5d6 6s2   

Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
FCC-Crystal-Structure-of-Einsteinium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
99   
19
76   
39

Number of Neutrons
153   
9
114   
25

Number of Electrons
99   
19
76   
39

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
133.80 pm   
99+

Van der Waals Radius
Not Available   
216.00 pm   
24

Atomic Weight
252.00 amu   
16
190.23 amu   
35

Atomic Volume
Not Available   
8.49 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Rhenium
  

Next Element
Fermium
  
Iridium
  

Valence Electron Potential
Not Available   
91.40 (-eV)   
12

Lattice Constant
Not Available   
273.44 pm   
99+

Lattice Angles
NA   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
Not Available   
1.58   
14

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