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Atomic Structure of Polonium and Gadolinium


Atomic Structure of Gadolinium and Polonium


Atomic Properties

Atomic Number
84   
32
64   
99+

Electron Configuration
[Xe] 4f14 5d10 6s2 6p4   
[Xe] 4f7 5d1 6s2   

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

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

Atom
  
  

Number of Protons
84   
32
64   
99+

Number of Neutrons
125   
19
93   
37

Number of Electrons
84   
32
64   
99+

Radius of an Atom
  
  

Atomic Radius
168.00 pm   
23
180.00 pm   
14

Covalent Radius
140.00 pm   
99+
196.00 pm   
14

Van der Waals Radius
197.00 pm   
29
237.00 pm   
15

Atomic Weight
209.00 amu   
28
47.87 amu   
99+

Atomic Volume
22.23 cm3/mol   
13
19.90 cm3/mol   
20

Adjacent Atomic Numbers
  
  

Previous Element
Bismuth
  
Europium
  

Next Element
Francium
  
Terbium
  

Valence Electron Potential
Not Available   
46.10 (-eV)   
34

Lattice Constant
335.90 pm   
99+
363.60 pm   
32

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

Lattice C/A Ratio
Not Available   
1.59   
9

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