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Atomic Structure of Gallium and Radium


Atomic Structure of Radium and Gallium


Atomic Properties

Atomic Number
31   
99+
88   
30

Electron Configuration
[Ar] 3d10 4s2 4p1   
[Rn] 7s2   

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+
88   
30

Number of Neutrons
39   
99+
138   
16

Number of Electrons
31   
99+
88   
30

Radius of an Atom
  
  

Atomic Radius
135.00 pm   
99+
Not Available   

Covalent Radius
122.00 pm   
99+
221.00 pm   
3

Van der Waals Radius
187.00 pm   
32
283.00 pm   
4

Atomic Weight
69.72 amu   
99+
226.00 amu   
26

Atomic Volume
11.80 cm3/mol   
99+
45.20 cm3/mol   
4

Adjacent Atomic Numbers
  
  

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Zinc
  
Francium
  

Next Element
Rubidium
  
Actinium
  

Valence Electron Potential
69.70 (-eV)   
19
20.10 (-eV)   
99+

Lattice Constant
451.97 pm   
18
514.80 pm   
13

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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