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Atomic Structure of Protactinium and Titanium


Atomic Structure of Titanium and Protactinium


Atomic

Atomic Number
91  
27
22  
99+

Electron Configuration
[Rn] 5f2 6d1 7s2  
[Ar] 3d2 4s2  

Crystal Structure
Tetragonal (TETR)  
Hexagonal Close Packed (HCP)  

Crystal Lattice
TETR-Crystal-Structure-of-Protactinium.jpg#100  
HCP-Crystal-Structure-of-Titanium.jpg#100  

Atom
  
  

Number of Protons
91  
27
22  
99+

Number of Neutrons
122  
22
26  
99+

Number of Electrons
91  
27
22  
99+

Radius of an Atom
  
  

Atomic Radius
163.00 pm  
27
147.00 pm  
36

Covalent Radius
200.00 pm  
11
160.00 pm  
32

Van der Waals Radius
243.00 pm  
15
200.00 pm  
35

Atomic Weight
231.04 amu  
24
47.87 amu  
99+

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

Adjacent Atomic Numbers
  
  

Previous Element
Thorium
  
Scandium
  

Next Element
Uranium
  
Vanadium
  

Valence Electron Potential
92.00 (-eV)  
11
95.20 (-eV)  
10

Lattice Constant
392.50 pm  
26
295.08 pm  
99+

Lattice Angles
π/2, π/2, π/2  
π/2, π/2, 2 π/3  

Lattice C/A Ratio
1.58  
36
1.59  
30

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