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Atomic Structure of Potassium and 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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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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