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Atomic Structure of Sodium and Scandium

Sodium
Scandium
Atomic Structure of Scandium and Sodium


Atomic Properties
Atomic Number
11   
99+
21   
99+
Electron Configuration
[Ne] 3s1   
[Ar] 3d1 4s2   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Scandium.jpg#100   
Atom
  
  
Number of Protons
11   
99+
21   
99+
Number of Neutrons
12   
99+
24   
99+
Number of Electrons
11   
99+
21   
99+
Radius of an Atom
  
  
Atomic Radius
186.00 pm   
9
162.00 pm   
26
Covalent Radius
166.00 pm   
27
170.00 pm   
25
Van der Waals Radius
227.00 pm   
21
211.00 pm   
25
Atomic Weight
22.99 amu   
99+
44.96 amu   
99+
Atomic Volume
23.70 cm3/mol   
10
15.00 cm3/mol   
34
Adjacent Atomic Numbers
  
  
Previous Element
Beryllium
  
Calcium
  
Next Element
Magnesium
  
Titanium
  
Valence Electron Potential
14.10 (-eV)   
99+
58.00 (-eV)   
24
Lattice Constant
429.06 pm   
19
330.90 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.59   
7
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