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Atomic Structure of Einsteinium and Lutetium

Einsteinium
Lutetium
Atomic Structure of Lutetium and Einsteinium


Atomic
Atomic Number
99  
19
71  
99+
Electron Configuration
[Rn] 5f11 7s2  
[Xe] 6s2 4f14 5d1  
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
71  
99+
Number of Neutrons
153  
10
104  
31
Number of Electrons
99  
19
71  
99+
Radius of an Atom
  
  
Atomic Radius
186.00 pm  
11
174.00 pm  
22
Covalent Radius
186.00 pm  
21
187.00 pm  
20
Van der Waals Radius
0.00 pm  
99+
221.00 pm  
27
Atomic Weight
252.00 amu  
16
174.97 amu  
40
Atomic Volume
17.04 cm3/mol  
99+
17.78 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Californium
  
Ytterbium
  
Next Element
Fermium
  
Hafnium
  
Valence Electron Potential
0.00 (-eV)  
99+
50.90 (-eV)  
27
Lattice Constant
582.00 pm  
8
350.31 pm  
99+
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.29  
99+
1.59  
32
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