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Atomic Structure of Protactinium and Lithium


Atomic Structure of Lithium and Protactinium


Atomic Properties

Atomic Number
91   
27
3   
99+

Electron Configuration
[Rn] 5f2 6d1 7s2   
[He] 2s1   

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
3   
99+

Number of Neutrons
122   
21
4   
99+

Number of Electrons
91   
27
3   
99+

Radius of an Atom
  
  

Atomic Radius
163.00 pm   
25
152.00 pm   
31

Covalent Radius
200.00 pm   
11
128.00 pm   
99+

Van der Waals Radius
243.00 pm   
11
182.00 pm   
35

Atomic Weight
231.04 amu   
24
6.94 amu   
99+

Atomic Volume
15.00 cm3/mol   
34
13.10 cm3/mol   
39

Adjacent Atomic Numbers
  
  

Previous Element
Thorium
  
No Previous Element   

Next Element
Uranium
  
Beryllium
  

Valence Electron Potential
92.00 (-eV)   
11
19.00 (-eV)   
99+

Lattice Constant
392.50 pm   
23
351.00 pm   
99+

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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