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Atomic Structure of Protactinium and Plutonium

Protactinium
Plutonium
Atomic Structure of Plutonium and Protactinium


Atomic
Atomic Number
91  
27
94  
24
Electron Configuration
[Rn] 5f2 6d1 7s2  
[Rn] 5f6 7s2  
Crystal Structure
Tetragonal (TETR)  
Monoclinic (MON)  
Crystal Lattice
TETR-Crystal-Structure-of-Protactinium.jpg#100  
MON-Crystal-Structure-of-Plutonium.jpg#100  
Atom
  
  
Number of Protons
91  
27
94  
24
Number of Neutrons
122  
22
150  
12
Number of Electrons
91  
27
94  
24
Radius of an Atom
  
  
Atomic Radius
163.00 pm  
27
159.00 pm  
30
Covalent Radius
200.00 pm  
11
187.00 pm  
20
Van der Waals Radius
243.00 pm  
15
200.00 pm  
35
Atomic Weight
231.04 amu  
24
244.00 amu  
19
Atomic Volume
15.00 cm3/mol  
99+
12.32 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Thorium
  
Neptunium
  
Next Element
Uranium
  
Americium
  
Valence Electron Potential
92.00 (-eV)  
11
64.90 (-eV)  
21
Lattice Constant
392.50 pm  
26
618.30 pm  
4
Lattice Angles
π/2, π/2, π/2  
-  
Lattice C/A Ratio
1.58  
36
1.74  
6
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