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Atomic Structure of Chromium and Hafnium


Atomic Structure of Hafnium and Chromium


Atomic Properties

Atomic Number
24   
99+
72   
99+

Electron Configuration
[Ar] 3d5 4s1   
[Xe] 4f14 5d2 6s2   

Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   

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

Atom
  
  

Number of Protons
24   
99+
72   
99+

Number of Neutrons
28   
99+
106   
29

Number of Electrons
24   
99+
72   
99+

Radius of an Atom
  
  

Atomic Radius
128.00 pm   
99+
159.00 pm   
28

Covalent Radius
139.00 pm   
99+
175.00 pm   
23

Van der Waals Radius
200.00 pm   
28
200.00 pm   
28

Atomic Weight
52.00 amu   
99+
178.49 amu   
39

Atomic Volume
7.23 cm3/mol   
99+
13.60 cm3/mol   
38

Adjacent Atomic Numbers
  
  

Previous Element
Vanadium
  
Lutetium
  

Next Element
Manganese
  
Tantalum
  

Valence Electron Potential
170.00 (-eV)   
4
81.00 (-eV)   
16

Lattice Constant
291.00 pm   
99+
319.64 pm   
99+

Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
Not Available   
1.58   
12

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