Home

Transition Metals + -

Actinide Metals + -

Lanthanide Metals + -

Post-Transition Metals + -

Alkaline Earth Metals + -

Compare Metals

Atomic Structure of Praseodymium and Protactinium

Praseodymium
Protactinium
Atomic Structure of Protactinium and Praseodymium


Atomic Properties
Atomic Number
59   
99+
91   
27
Electron Configuration
[Xe] 4f3 6s2   
[Rn] 5f2 6d1 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Tetragonal (TETR)   
Crystal Lattice
HCP-Crystal-Structure-of-Praseodymium.jpg#100   
TETR-Crystal-Structure-of-Protactinium.jpg#100   
Atom
  
  
Number of Protons
59   
99+
91   
27
Number of Neutrons
82   
99+
122   
21
Number of Electrons
59   
99+
91   
27
Radius of an Atom
  
  
Atomic Radius
182.00 pm   
11
163.00 pm   
25
Covalent Radius
203.00 pm   
9
200.00 pm   
11
Van der Waals Radius
239.00 pm   
14
243.00 pm   
11
Atomic Weight
140.91 amu   
99+
231.04 amu   
24
Atomic Volume
20.80 cm3/mol   
15
15.00 cm3/mol   
34
Adjacent Atomic Numbers
  
  
Previous Element
Cerium
  
Thorium
  
Next Element
Neodymium
  
Uranium
  
Valence Electron Potential
42.64 (-eV)   
99+
92.00 (-eV)   
11
Lattice Constant
367.25 pm   
29
392.50 pm   
23
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.61   
4
Not Available   
Mechanical >>
<< Chemical

Compare Lanthanide Series

Lanthanide Metals

Lanthanide Metals

» More Lanthanide Metals

Compare Lanthanide Series

» More Compare Lanthanide Series
Home | About | Contact | Disclaimer | Terms of use
© A softusvista inc. venture!