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Atomic Structure of Radium and Chromium


Atomic Structure of Chromium and Radium


Atomic Properties

Atomic Number
88   
30
24   
99+

Electron Configuration
[Rn] 7s2   
[Ar] 3d5 4s1   

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

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
88   
30
24   
99+

Number of Neutrons
138   
16
28   
99+

Number of Electrons
88   
30
24   
99+

Radius of an Atom
  
  

Atomic Radius
Not Available   
128.00 pm   
99+

Covalent Radius
221.00 pm   
3
139.00 pm   
99+

Van der Waals Radius
283.00 pm   
4
200.00 pm   
28

Atomic Weight
226.00 amu   
26
52.00 amu   
99+

Atomic Volume
45.20 cm3/mol   
4
7.23 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Francium
  
Vanadium
  

Next Element
Actinium
  
Manganese
  

Valence Electron Potential
20.10 (-eV)   
99+
170.00 (-eV)   
4

Lattice Constant
514.80 pm   
13
291.00 pm   
99+

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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