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Atomic Structure of Sodium and Calcium


Atomic Structure of Calcium and Sodium


Atomic Properties

Atomic Number
11   
99+
20   
99+

Electron Configuration
[Ne] 3s1   
[Ar] 4s2   

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

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Calcium.jpg#100   

Atom
  
  

Number of Protons
11   
99+
20   
99+

Number of Neutrons
12   
99+
20   
99+

Number of Electrons
11   
99+
20   
99+

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
197.00 pm   
6

Covalent Radius
166.00 pm   
27
176.00 pm   
22

Van der Waals Radius
227.00 pm   
21
231.00 pm   
19

Atomic Weight
22.99 amu   
99+
40.08 amu   
99+

Atomic Volume
23.70 cm3/mol   
10
29.90 cm3/mol   
7

Adjacent Atomic Numbers
  
  

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Magnesium
  
Scandium
  

Valence Electron Potential
14.10 (-eV)   
99+
29.00 (-eV)   
99+

Lattice Constant
429.06 pm   
19
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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