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Atomic Structure of Einsteinium and Mendelevium

Einsteinium
Mendelevium
Atomic Structure of Mendelevium and Einsteinium


Atomic
Atomic Number
99  
19
101  
17
Electron Configuration
[Rn] 5f11 7s2  
[Rn] 5f13 7s2  
Crystal Structure
Face Centered Cubic (FCC)  
Not Known  
Crystal Lattice
FCC-Crystal-Structure-of-Einsteinium.jpg#100  
Unknown-Crystal-Structure-of-Mendelevium.jpg#100  
Atom
  
  
Number of Protons
99  
19
101  
17
Number of Neutrons
153  
10
157  
8
Number of Electrons
99  
19
101  
17
Radius of an Atom
  
  
Atomic Radius
186.00 pm  
11
175.00 pm  
21
Covalent Radius
186.00 pm  
21
175.00 pm  
25
Van der Waals Radius
0.00 pm  
99+
246.00 pm  
12
Atomic Weight
252.00 amu  
16
258.00 amu  
14
Atomic Volume
17.04 cm3/mol  
99+
19.90 cm3/mol  
32
Adjacent Atomic Numbers
  
  
Previous Element
Californium
  
Fermium
  
Next Element
Fermium
  
Nobelium
  
Valence Electron Potential
0.00 (-eV)  
99+
63.70 (-eV)  
23
Lattice Constant
582.00 pm  
8
-  
Lattice Angles
-  
-  
Lattice C/A Ratio
1.29  
99+
1.58  
36
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