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Atomic Structure of Protactinium and Lithium


Atomic Structure of Lithium and Protactinium


Atomic

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  
22
4  
99+

Number of Electrons
91  
27
3  
99+

Radius of an Atom
  
  

Atomic Radius
163.00 pm  
27
152.00 pm  
33

Covalent Radius
200.00 pm  
11
128.00 pm  
99+

Van der Waals Radius
243.00 pm  
15
182.00 pm  
99+

Atomic Weight
231.04 amu  
24
6.94 amu  
99+

Atomic Volume
15.00 cm3/mol  
99+
13.10 cm3/mol  
99+

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  
26
351.00 pm  
99+

Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  

Lattice C/A Ratio
1.58  
36
1.62  
16

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