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Atomic Structure of Chromium and Protactinium


Atomic Structure of Protactinium and Chromium


Atomic Properties

Atomic Number
24   
99+
91   
27

Electron Configuration
[Ar] 3d5 4s1   
[Rn] 5f2 6d1 7s2   

Crystal Structure
Body Centered Cubic (BCC)   
Tetragonal (TETR)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
TETR-Crystal-Structure-of-Protactinium.jpg#100   

Atom
  
  

Number of Protons
24   
99+
91   
27

Number of Neutrons
28   
99+
122   
21

Number of Electrons
24   
99+
91   
27

Radius of an Atom
  
  

Atomic Radius
128.00 pm   
99+
163.00 pm   
25

Covalent Radius
139.00 pm   
99+
200.00 pm   
11

Van der Waals Radius
200.00 pm   
28
243.00 pm   
11

Atomic Weight
52.00 amu   
99+
231.04 amu   
24

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

Adjacent Atomic Numbers
  
  

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Vanadium
  
Thorium
  

Next Element
Manganese
  
Uranium
  

Valence Electron Potential
170.00 (-eV)   
4
92.00 (-eV)   
11

Lattice Constant
291.00 pm   
99+
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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