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Atomic Structure of Mendelevium and Neptunium


Atomic Structure of Neptunium and Mendelevium


Atomic Properties

Atomic Number
101   
17
93   
25

Electron Configuration
[Rn] 5f13 7s2   
[Rn] 5f4 6d1 7s2   

Crystal Structure
Not Known   
Orthorhombic (ORTH)   

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

Atom
  
  

Number of Protons
101   
17
93   
25

Number of Neutrons
157   
7
144   
14

Number of Electrons
101   
17
93   
25

Radius of an Atom
  
  

Atomic Radius
Not Available   
155.00 pm   
30

Covalent Radius
Not Available   
190.00 pm   
18

Van der Waals Radius
246.00 pm   
8
221.00 pm   
22

Atomic Weight
258.00 amu   
14
237.00 amu   
22

Atomic Volume
Not Available   
11.62 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Fermium
  
Uranium
  

Next Element
Nobelium
  
Plutonium
  

Valence Electron Potential
Not Available   
96.00 (-eV)   
9

Lattice Constant
Not Available   
666.30 pm   
3

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

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