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Atomic Structure of Yttrium and Polonium


Atomic Structure of Polonium and Yttrium


Atomic Properties

Atomic Number
39   
99+
84   
32

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

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

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

Atom
  
  

Number of Protons
39   
99+
84   
32

Number of Neutrons
50   
99+
125   
19

Number of Electrons
39   
99+
84   
32

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
168.00 pm   
23

Covalent Radius
190.00 pm   
18
140.00 pm   
99+

Van der Waals Radius
200.00 pm   
28
197.00 pm   
29

Atomic Weight
88.91 amu   
99+
209.00 amu   
28

Atomic Volume
19.80 cm3/mol   
21
22.23 cm3/mol   
13

Adjacent Atomic Numbers
  
  

Previous Element
Strontium
  
Bismuth
  

Next Element
Zirconium
  
Francium
  

Valence Electron Potential
48.00 (-eV)   
30
Not Available   

Lattice Constant
364.74 pm   
31
335.90 pm   
99+

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   

Lattice C/A Ratio
1.57   
16
Not Available   

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