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Atomic Structure of Potassium and Scandium

Potassium
Scandium
Atomic Structure of Scandium and Potassium


Atomic Properties
Atomic Number
19   
99+
21   
99+
Electron Configuration
[Ar] 4s1   
[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
19   
99+
21   
99+
Number of Neutrons
20   
99+
24   
99+
Number of Electrons
19   
99+
21   
99+
Radius of an Atom
  
  
Atomic Radius
227.00 pm   
3
162.00 pm   
26
Covalent Radius
203.00 pm   
9
170.00 pm   
25
Van der Waals Radius
275.00 pm   
5
211.00 pm   
25
Atomic Weight
39.10 amu   
99+
44.96 amu   
99+
Atomic Volume
45.46 cm3/mol   
3
15.00 cm3/mol   
34
Adjacent Atomic Numbers
  
  
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Aluminium
  
Calcium
  
Next Element
Calcium
  
Titanium
  
Valence Electron Potential
10.40 (-eV)   
99+
58.00 (-eV)   
24
Lattice Constant
532.80 pm   
12
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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