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Atomic Structure of Strontium and Calcium

Strontium
Calcium
Atomic Structure of Calcium and Strontium


Atomic Properties
Atomic Number
38   
99+
20   
99+
Electron Configuration
[Kr] 5s2   
[Ar] 4s2   
Crystal Structure
Face Centered Cubic (FCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
FCC-Crystal-Structure-of-Strontium.jpg#100   
FCC-Crystal-Structure-of-Calcium.jpg#100   
Atom
  
  
Number of Protons
38   
99+
20   
99+
Number of Neutrons
50   
99+
20   
99+
Number of Electrons
38   
99+
20   
99+
Radius of an Atom
  
  
Atomic Radius
215.00 pm   
5
197.00 pm   
6
Covalent Radius
195.00 pm   
15
176.00 pm   
22
Van der Waals Radius
249.00 pm   
7
231.00 pm   
19
Atomic Weight
87.62 amu   
99+
40.08 amu   
99+
Atomic Volume
33.70 cm3/mol   
6
29.90 cm3/mol   
7
Adjacent Atomic Numbers
  
  
Previous Element
Rubidium
  
Potassium
  
Next Element
Yttrium
  
Scandium
  
Valence Electron Potential
25.70 (-eV)   
99+
29.00 (-eV)   
99+
Lattice Constant
608.49 pm   
6
558.84 pm   
9
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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