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Atomic Structure of Mendelevium and Einsteinium

Mendelevium
Einsteinium
Atomic Structure of Einsteinium and Mendelevium


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