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Atomic Structure of Gallium and Europium

Gallium
Europium
Atomic Structure of Europium and Gallium


Atomic Properties
Atomic Number
31   
99+
63   
99+
Electron Configuration
[Ar] 3d10 4s2 4p1   
[Xe] 4f7 6s2   
Crystal Structure
Orthorhombic (ORTH)   
Body Centered Cubic (BCC)   
Crystal Lattice
ORTH-Crystal-Structure-of-Gallium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
31   
99+
63   
99+
Number of Neutrons
39   
99+
89   
38
Number of Electrons
31   
99+
63   
99+
Radius of an Atom
  
  
Atomic Radius
135.00 pm   
99+
180.00 pm   
14
Covalent Radius
122.00 pm   
99+
198.00 pm   
13
Van der Waals Radius
187.00 pm   
32
233.00 pm   
18
Atomic Weight
69.72 amu   
99+
151.96 amu   
99+
Atomic Volume
11.80 cm3/mol   
99+
28.90 cm3/mol   
8
Adjacent Atomic Numbers
  
  
Previous Element
Zinc
  
Samarium
  
Next Element
Rubidium
  
Gadolinium
  
Valence Electron Potential
69.70 (-eV)   
19
45.60 (-eV)   
35
Lattice Constant
451.97 pm   
18
458.10 pm   
17
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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