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Atomic Structure of Polonium and Tantalum


Atomic Structure of Tantalum and Polonium


Atomic Properties

Atomic Number
84   
32
73   
99+

Electron Configuration
[Xe] 4f14 5d10 6s2 6p4   
[Xe] 4f14 5d3 6s2   

Crystal Structure
Monoclinic (MON)   
Body Centered Cubic (BCC)   

Crystal Lattice
MON-Crystal-Structure-of-Polonium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
84   
32
73   
99+

Number of Neutrons
125   
19
108   
28

Number of Electrons
84   
32
73   
99+

Radius of an Atom
  
  

Atomic Radius
168.00 pm   
23
146.00 pm   
35

Covalent Radius
140.00 pm   
99+
170.00 pm   
25

Van der Waals Radius
197.00 pm   
29
200.00 pm   
28

Atomic Weight
209.00 amu   
28
180.95 amu   
38

Atomic Volume
22.23 cm3/mol   
13
10.90 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Bismuth
  
Hafnium
  

Next Element
Francium
  
Tungsten
  

Valence Electron Potential
Not Available   
110.00 (-eV)   
7

Lattice Constant
335.90 pm   
99+
330.13 pm   
99+

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

Lattice C/A Ratio
Not Available   
Not Available   

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