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Atomic Structure of Francium and Tantalum


Atomic Structure of Tantalum and Francium


Atomic Properties

Atomic Number
87   
31
73   
99+

Electron Configuration
[Rn] 7s1   
[Xe] 4f14 5d3 6s2   

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

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
87   
31
73   
99+

Number of Neutrons
136   
17
108   
28

Number of Electrons
87   
31
73   
99+

Radius of an Atom
  
  

Atomic Radius
Not Available   
146.00 pm   
35

Covalent Radius
260.00 pm   
1
170.00 pm   
25

Van der Waals Radius
348.00 pm   
1
200.00 pm   
28

Atomic Weight
223.00 amu   
27
180.95 amu   
38

Atomic Volume
Not Available   
10.90 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Polonium
  
Hafnium
  

Next Element
Radium
  
Tungsten
  

Valence Electron Potential
8.00 (-eV)   
99+
110.00 (-eV)   
7

Lattice Constant
Not Available   
330.13 pm   
99+

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

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