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Atomic Structure of Platinum and Protactinium


Atomic Structure of Protactinium and Platinum


Atomic Properties

Atomic Number
78   
38
91   
27

Electron Configuration
[Xe] 4f14 5d9 6s1   
[Rn] 5f2 6d1 7s2   

Crystal Structure
Face Centered Cubic (FCC)   
Tetragonal (TETR)   

Crystal Lattice
FCC-Crystal-Structure-of-Platinum.jpg#100   
TETR-Crystal-Structure-of-Protactinium.jpg#100   

Atom
  
  

Number of Protons
78   
38
91   
27

Number of Neutrons
117   
24
122   
21

Number of Electrons
78   
38
91   
27

Radius of an Atom
  
  

Atomic Radius
139.00 pm   
39
163.00 pm   
25

Covalent Radius
136.00 pm   
99+
200.00 pm   
11

Van der Waals Radius
175.00 pm   
36
243.00 pm   
11

Atomic Weight
47.87 amu   
99+
231.04 amu   
24

Atomic Volume
9.09 cm3/mol   
99+
15.00 cm3/mol   
34

Adjacent Atomic Numbers
  
  

Previous Element
Iridium
  
Thorium
  

Next Element
Gold
  
Uranium
  

Valence Electron Potential
392.42 (-eV)   
1
92.00 (-eV)   
11

Lattice Constant
392.42 pm   
24
392.50 pm   
23

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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