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Atomic Structure of Rubidium and Protactinium

Rubidium
Protactinium
Atomic Structure of Protactinium and Rubidium


Atomic
Atomic Number
37  
99+
91  
27
Electron Configuration
[Kr] 5s1  
[Rn] 5f2 6d1 7s2  
Crystal Structure
Body Centered Cubic (BCC)  
Tetragonal (TETR)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
TETR-Crystal-Structure-of-Protactinium.jpg#100  
Atom
  
  
Number of Protons
37  
99+
91  
27
Number of Neutrons
48  
99+
122  
22
Number of Electrons
37  
99+
91  
27
Radius of an Atom
  
  
Atomic Radius
248.00 pm  
3
163.00 pm  
27
Covalent Radius
220.00 pm  
4
200.00 pm  
11
Van der Waals Radius
303.00 pm  
4
243.00 pm  
15
Atomic Weight
85.47 amu  
99+
231.04 amu  
24
Atomic Volume
55.90 cm3/mol  
3
15.00 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Gallium
  
Thorium
  
Next Element
Strontium
  
Uranium
  
Valence Electron Potential
9.47 (-eV)  
99+
92.00 (-eV)  
11
Lattice Constant
558.50 pm  
11
392.50 pm  
26
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.59  
28
1.58  
36
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