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Atomic Structure of Protactinium and Ytterbium


Atomic Structure of Ytterbium and Protactinium


Atomic Properties

Atomic Number
91   
27
70   
99+

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

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

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

Atom
  
  

Number of Protons
91   
27
70   
99+

Number of Neutrons
122   
21
103   
31

Number of Electrons
91   
27
70   
99+

Radius of an Atom
  
  

Atomic Radius
163.00 pm   
25
176.00 pm   
18

Covalent Radius
200.00 pm   
11
187.00 pm   
20

Van der Waals Radius
243.00 pm   
11
242.00 pm   
12

Atomic Weight
231.04 amu   
24
173.05 amu   
99+

Atomic Volume
15.00 cm3/mol   
34
24.79 cm3/mol   
9

Adjacent Atomic Numbers
  
  

Previous Element
Thorium
  
Thulium
  

Next Element
Uranium
  
Lutetium
  

Valence Electron Potential
92.00 (-eV)   
11
50.30 (-eV)   
27

Lattice Constant
392.50 pm   
23
548.47 pm   
11

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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