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Atomic Structure of Meitnerium and Protactinium


Atomic Structure of Protactinium and Meitnerium


Atomic Properties

Atomic Number
109   
9
91   
27

Electron Configuration
[Rn] 5f14 6d7 7s2   
[Rn] 5f2 6d1 7s2   

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

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

Atom
  
  

Number of Protons
109   
9
91   
27

Number of Neutrons
157   
7
122   
21

Number of Electrons
109   
9
91   
27

Radius of an Atom
  
  

Atomic Radius
122.00 pm   
99+
163.00 pm   
25

Covalent Radius
129.00 pm   
99+
200.00 pm   
11

Van der Waals Radius
Not Available   
243.00 pm   
11

Atomic Weight
278.00 amu   
7
231.04 amu   
24

Atomic Volume
Not Available   
15.00 cm3/mol   
34

Adjacent Atomic Numbers
  
  

Previous Element
Hassium
  
Thorium
  

Next Element
Uranium
  

Valence Electron Potential
Not Available   
92.00 (-eV)   
11

Lattice Constant
Not Available   
392.50 pm   
23

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

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