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Atomic Structure of Strontium and Hafnium

Strontium
Hafnium
Atomic Structure of Hafnium and Strontium


Atomic Properties
Atomic Number
38   
99+
72   
99+
Electron Configuration
[Kr] 5s2   
[Xe] 4f14 5d2 6s2   
Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
FCC-Crystal-Structure-of-Strontium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
38   
99+
72   
99+
Number of Neutrons
50   
99+
106   
29
Number of Electrons
38   
99+
72   
99+
Radius of an Atom
  
  
Atomic Radius
215.00 pm   
5
159.00 pm   
28
Covalent Radius
195.00 pm   
15
175.00 pm   
23
Van der Waals Radius
249.00 pm   
7
200.00 pm   
28
Atomic Weight
87.62 amu   
99+
178.49 amu   
39
Atomic Volume
33.70 cm3/mol   
6
13.60 cm3/mol   
38
Adjacent Atomic Numbers
  
  
Previous Element
Rubidium
  
Lutetium
  
Next Element
Yttrium
  
Tantalum
  
Valence Electron Potential
25.70 (-eV)   
99+
81.00 (-eV)   
16
Lattice Constant
608.49 pm   
6
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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