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Atomic Structure of Gallium and Einsteinium

Gallium
Einsteinium
Atomic Structure of Einsteinium and Gallium


Atomic
Atomic Number
31  
99+
99  
19
Electron Configuration
[Ar] 3d10 4s2 4p1  
[Rn] 5f11 7s2  
Crystal Structure
Orthorhombic (ORTH)  
Face Centered Cubic (FCC)  
Crystal Lattice
ORTH-Crystal-Structure-of-Gallium.jpg#100  
FCC-Crystal-Structure-of-Einsteinium.jpg#100  
Atom
  
  
Number of Protons
31  
99+
99  
19
Number of Neutrons
39  
99+
153  
10
Number of Electrons
31  
99+
99  
19
Radius of an Atom
  
  
Atomic Radius
135.00 pm  
99+
186.00 pm  
11
Covalent Radius
122.00 pm  
99+
186.00 pm  
21
Van der Waals Radius
187.00 pm  
39
0.00 pm  
99+
Atomic Weight
69.72 amu  
99+
252.00 amu  
16
Atomic Volume
11.80 cm3/mol  
99+
17.04 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Zinc
  
Californium
  
Next Element
Rubidium
  
Fermium
  
Valence Electron Potential
69.70 (-eV)  
19
0.00 (-eV)  
99+
Lattice Constant
451.97 pm  
20
582.00 pm  
8
Lattice Angles
π/2, π/2, π/2  
-  
Lattice C/A Ratio
1.30  
99+
1.29  
99+
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