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Atomic Structure of Barium and Praseodymium


Atomic Structure of Praseodymium and Barium


Atomic Properties

Atomic Number
56   
99+
59   
99+

Electron Configuration
[Xe] 6s2   
[Xe] 4f3 6s2   

Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Praseodymium.jpg#100   

Atom
  
  

Number of Protons
56   
99+
59   
99+

Number of Neutrons
81   
99+
82   
99+

Number of Electrons
56   
99+
59   
99+

Radius of an Atom
  
  

Atomic Radius
222.00 pm   
4
182.00 pm   
11

Covalent Radius
215.00 pm   
5
203.00 pm   
9

Van der Waals Radius
268.00 pm   
6
239.00 pm   
14

Atomic Weight
137.33 amu   
99+
140.91 amu   
99+

Atomic Volume
39.24 cm3/mol   
5
20.80 cm3/mol   
15

Adjacent Atomic Numbers
  
  

Previous Element
Cesium
  
Cerium
  

Next Element
Lanthanum
  
Neodymium
  

Valence Electron Potential
21.30 (-eV)   
99+
42.64 (-eV)   
99+

Lattice Constant
502.80 pm   
15
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

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