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Atomic Structure of Gallium and Mendelevium


Atomic Structure of Mendelevium and Gallium


Atomic Properties

Atomic Number
31   
99+
101   
17

Electron Configuration
[Ar] 3d10 4s2 4p1   
[Rn] 5f13 7s2   

Crystal Structure
Orthorhombic (ORTH)   
Not Known   

Crystal Lattice
ORTH-Crystal-Structure-of-Gallium.jpg#100   
Unknown-Crystal-Structure-of-Mendelevium.jpg#100   

Atom
  
  

Number of Protons
31   
99+
101   
17

Number of Neutrons
39   
99+
157   
7

Number of Electrons
31   
99+
101   
17

Radius of an Atom
  
  

Atomic Radius
135.00 pm   
99+
Not Available   

Covalent Radius
122.00 pm   
99+
Not Available   

Van der Waals Radius
187.00 pm   
32
246.00 pm   
8

Atomic Weight
69.72 amu   
99+
258.00 amu   
14

Atomic Volume
11.80 cm3/mol   
99+
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Zinc
  
Fermium
  

Next Element
Rubidium
  
Nobelium
  

Valence Electron Potential
69.70 (-eV)   
19
Not Available   

Lattice Constant
451.97 pm   
18
Not Available   

Lattice Angles
π/2, π/2, π/2   
NA   

Lattice C/A Ratio
Not Available   
Not Available   

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