Home

Transition Metals + -

Actinide Metals + -

Lanthanide Metals + -

Post-Transition Metals + -

Alkaline Earth Metals + -

Compare Metals


Atomic Structure of Neptunium and Praseodymium


Atomic Structure of Praseodymium and Neptunium


Atomic Properties

Atomic Number
93   
25
59   
99+

Electron Configuration
[Rn] 5f4 6d1 7s2   
[Xe] 4f3 6s2   

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

Crystal Lattice
ORTH-Crystal-Structure-of-Neptunium.jpg#100   
HCP-Crystal-Structure-of-Praseodymium.jpg#100   

Atom
  
  

Number of Protons
93   
25
59   
99+

Number of Neutrons
144   
14
82   
99+

Number of Electrons
93   
25
59   
99+

Radius of an Atom
  
  

Atomic Radius
155.00 pm   
30
182.00 pm   
11

Covalent Radius
190.00 pm   
18
203.00 pm   
9

Van der Waals Radius
221.00 pm   
22
239.00 pm   
14

Atomic Weight
237.00 amu   
22
140.91 amu   
99+

Atomic Volume
11.62 cm3/mol   
99+
20.80 cm3/mol   
15

Adjacent Atomic Numbers
  
  

Previous Element
Uranium
  
Cerium
  

Next Element
Plutonium
  
Neodymium
  

Valence Electron Potential
96.00 (-eV)   
9
42.64 (-eV)   
99+

Lattice Constant
666.30 pm   
3
367.25 pm   
29

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

Lattice C/A Ratio
Not Available   
1.61   
4

Mechanical >>
<< Chemical

Compare Actinide Series

Actinide Metals

Actinide Metals

» More Actinide Metals

Compare Actinide Series

» More Compare Actinide Series