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Atomic Structure of Strontium and 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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