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Atomic Structure of Einsteinium and Osmium


Atomic Structure of Osmium and Einsteinium


Atomic

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  
10
114  
26

Number of Electrons
99  
19
76  
39

Radius of an Atom
  
  

Atomic Radius
186.00 pm  
11
133.80 pm  
99+

Covalent Radius
186.00 pm  
21
128.00 pm  
99+

Van der Waals Radius
0.00 pm  
99+
216.00 pm  
30

Atomic Weight
252.00 amu  
16
190.23 amu  
35

Atomic Volume
17.04 cm3/mol  
99+
8.49 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Rhenium
  

Next Element
Fermium
  
Iridium
  

Valence Electron Potential
0.00 (-eV)  
99+
91.40 (-eV)  
12

Lattice Constant
582.00 pm  
8
273.44 pm  
99+

Lattice Angles
-  
π/2, π/2, 2 π/3  

Lattice C/A Ratio
1.29  
99+
1.58  
37

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