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Atomic Structure of Bohrium and Protactinium

Bohrium
Protactinium
Atomic Structure of Protactinium and Bohrium


Atomic
Atomic Number
107  
11
91  
27
Electron Configuration
[Rn] 5f14 6d5 7s2  
[Rn] 5f2 6d1 7s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Tetragonal (TETR)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
TETR-Crystal-Structure-of-Protactinium.jpg#100  
Atom
  
  
Number of Protons
107  
11
91  
27
Number of Neutrons
155  
9
122  
22
Number of Electrons
107  
11
91  
27
Radius of an Atom
  
  
Atomic Radius
128.00 pm  
99+
163.00 pm  
27
Covalent Radius
141.00 pm  
99+
200.00 pm  
11
Van der Waals Radius
0.00 pm  
99+
243.00 pm  
15
Atomic Weight
270.00 amu  
8
231.04 amu  
24
Atomic Volume
23.70 cm3/mol  
14
15.00 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Seaborgium
  
Thorium
  
Next Element
Hassium
  
Uranium
  
Valence Electron Potential
27.20 (-eV)  
99+
92.00 (-eV)  
11
Lattice Constant
-  
392.50 pm  
26
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.57  
99+
1.58  
36
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