Home
Compare Metals


Atomic Structure of Neptunium and Rhenium


Atomic Structure of Rhenium and Neptunium


Atomic Properties

Atomic Number
93   
25
75   
99+

Electron Configuration
[Rn] 5f4 6d1 7s2   
[Xe] 4f14 5d5 6s2   

Crystal Structure
Orthorhombic (ORTH)   
Hexagonal Close Packed (HCP)   

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

Atom
  
  

Number of Protons
93   
25
75   
40

Number of Neutrons
144   
14
111   
26

Number of Electrons
93   
25
75   
40

Radius of an Atom
  
  

Atomic Radius
155.00 pm   
30
137.00 pm   
40

Covalent Radius
190.00 pm   
18
151.00 pm   
34

Van der Waals Radius
221.00 pm   
22
200.00 pm   
28

Atomic Weight
237.00 amu   
22
186.21 amu   
36

Atomic Volume
11.62 cm3/mol   
99+
8.85 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Uranium
  
Tungsten
  

Next Element
Plutonium
  
Osmium
  

Valence Electron Potential
96.00 (-eV)   
9
180.00 (-eV)   
3

Lattice Constant
666.30 pm   
3
276.10 pm   
99+

Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
Not Available   
1.62   
3

Mechanical >>
<< Chemical

Compare Actinide Series

Actinide Metals

Actinide Metals

» More Actinide Metals

Compare Actinide Series

» More Compare Actinide Series