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Atomic Structure of Radium and Gallium

Radium
Gallium
Atomic Structure of Gallium and Radium


Atomic Properties
Atomic Number
88   
30
31   
99+
Electron Configuration
[Rn] 7s2   
[Ar] 3d10 4s2 4p1   
Crystal Structure
Body Centered Cubic (BCC)   
Orthorhombic (ORTH)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
ORTH-Crystal-Structure-of-Gallium.jpg#100   
Atom
  
  
Number of Protons
88   
30
31   
99+
Number of Neutrons
138   
16
39   
99+
Number of Electrons
88   
30
31   
99+
Radius of an Atom
  
  
Atomic Radius
Not Available   
135.00 pm   
99+
Covalent Radius
221.00 pm   
3
122.00 pm   
99+
Van der Waals Radius
283.00 pm   
4
187.00 pm   
32
Atomic Weight
226.00 amu   
26
69.72 amu   
99+
Atomic Volume
45.20 cm3/mol   
4
11.80 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Francium
  
Zinc
  
Next Element
Actinium
  
Rubidium
  
Valence Electron Potential
20.10 (-eV)   
99+
69.70 (-eV)   
19
Lattice Constant
514.80 pm   
13
451.97 pm   
18
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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