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Atomic Structure of Scandium and Potassium

Scandium
Potassium
Atomic Structure of Potassium and Scandium


Atomic Properties
Atomic Number
21   
99+
19   
99+
Electron Configuration
[Ar] 3d1 4s2   
[Ar] 4s1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Scandium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
21   
99+
19   
99+
Number of Neutrons
24   
99+
20   
99+
Number of Electrons
21   
99+
19   
99+
Radius of an Atom
  
  
Atomic Radius
162.00 pm   
26
227.00 pm   
3
Covalent Radius
170.00 pm   
25
203.00 pm   
9
Van der Waals Radius
211.00 pm   
25
275.00 pm   
5
Atomic Weight
44.96 amu   
99+
39.10 amu   
99+
Atomic Volume
15.00 cm3/mol   
34
45.46 cm3/mol   
3
Adjacent Atomic Numbers
  
  
Previous Element
Calcium
  
Aluminium
  
Next Element
Titanium
  
Calcium
  
Valence Electron Potential
58.00 (-eV)   
24
10.40 (-eV)   
99+
Lattice Constant
330.90 pm   
99+
532.80 pm   
12
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.59   
7
Not Available   
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