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Atomic Structure of Polonium and Scandium


Atomic Structure of Scandium and Polonium


Atomic Properties

Atomic Number
84   
32
21   
99+

Electron Configuration
[Xe] 4f14 5d10 6s2 6p4   
[Ar] 3d1 4s2   

Crystal Structure
Monoclinic (MON)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
MON-Crystal-Structure-of-Polonium.jpg#100   
HCP-Crystal-Structure-of-Scandium.jpg#100   

Atom
  
  

Number of Protons
84   
32
21   
99+

Number of Neutrons
125   
19
24   
99+

Number of Electrons
84   
32
21   
99+

Radius of an Atom
  
  

Atomic Radius
168.00 pm   
23
162.00 pm   
26

Covalent Radius
140.00 pm   
99+
170.00 pm   
25

Van der Waals Radius
197.00 pm   
29
211.00 pm   
25

Atomic Weight
209.00 amu   
28
44.96 amu   
99+

Atomic Volume
22.23 cm3/mol   
13
15.00 cm3/mol   
34

Adjacent Atomic Numbers
  
  

Previous Element
Bismuth
  
Calcium
  

Next Element
Francium
  
Titanium
  

Valence Electron Potential
Not Available   
58.00 (-eV)   
24

Lattice Constant
335.90 pm   
99+
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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