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Atomic Structure of Protactinium and Manganese

Protactinium
Manganese
Atomic Structure of Manganese and Protactinium


Atomic Properties
Atomic Number
91   
27
25   
99+
Electron Configuration
[Rn] 5f2 6d1 7s2   
[Ar] 3d5 4s2   
Crystal Structure
Tetragonal (TETR)   
Body Centered Cubic (BCC)   
Crystal Lattice
TETR-Crystal-Structure-of-Protactinium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
91   
27
25   
99+
Number of Neutrons
122   
21
30   
99+
Number of Electrons
91   
27
25   
99+
Radius of an Atom
  
  
Atomic Radius
163.00 pm   
25
127.00 pm   
99+
Covalent Radius
200.00 pm   
11
139.00 pm   
99+
Van der Waals Radius
243.00 pm   
11
200.00 pm   
28
Atomic Weight
231.04 amu   
24
54.94 amu   
99+
Atomic Volume
15.00 cm3/mol   
34
1.39 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Thorium
  
Chromium
  
Next Element
Uranium
  
Iron
  
Valence Electron Potential
92.00 (-eV)   
11
220.00 (-eV)   
2
Lattice Constant
392.50 pm   
23
891.25 pm   
1
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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