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Atomic Structure of Polonium and Terbium


Atomic Structure of Terbium and Polonium


Atomic Properties

Atomic Number
84   
32
65   
99+

Electron Configuration
[Xe] 4f14 5d10 6s2 6p4   
[Xe] 4f9 6s2   

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

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

Atom
  
  

Number of Protons
84   
32
65   
99+

Number of Neutrons
125   
19
94   
36

Number of Electrons
84   
32
65   
99+

Radius of an Atom
  
  

Atomic Radius
168.00 pm   
23
177.00 pm   
17

Covalent Radius
140.00 pm   
99+
194.00 pm   
16

Van der Waals Radius
197.00 pm   
29
221.00 pm   
22

Atomic Weight
209.00 amu   
28
158.93 amu   
99+

Atomic Volume
22.23 cm3/mol   
13
19.20 cm3/mol   
22

Adjacent Atomic Numbers
  
  

Previous Element
Bismuth
  
Gadolinium
  

Next Element
Francium
  
Dysprosium
  

Valence Electron Potential
Not Available   
46.80 (-eV)   
33

Lattice Constant
335.90 pm   
99+
360.10 pm   
36

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

Lattice C/A Ratio
Not Available   
1.58   
13

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