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Atomic Structure of Neptunium and Roentgenium


Atomic Structure of Roentgenium and Neptunium


Atomic Properties

Atomic Number
93   
25
111   
7

Electron Configuration
[Rn] 5f4 6d1 7s2   
[Rn] 5f14 6d9 7s2   

Crystal Structure
Orthorhombic (ORTH)   
Body Centered Cubic (BCC)   

Crystal Lattice
ORTH-Crystal-Structure-of-Neptunium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
93   
25
111   
7

Number of Neutrons
144   
14
161   
3

Number of Electrons
93   
25
111   
7

Radius of an Atom
  
  

Atomic Radius
155.00 pm   
30
Not Available   

Covalent Radius
190.00 pm   
18
Not Available   

Van der Waals Radius
221.00 pm   
22
Not Available   

Atomic Weight
237.00 amu   
22
281.00 amu   
6

Atomic Volume
11.62 cm3/mol   
99+
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Uranium
  

Next Element
Plutonium
  

Valence Electron Potential
96.00 (-eV)   
9
Not Available   

Lattice Constant
666.30 pm   
3
Not Available   

Lattice Angles
π/2, π/2, π/2   
NA   

Lattice C/A Ratio
Not Available   
Not Available   

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