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Atomic Structure of Calcium and Tantalum


Atomic Structure of Tantalum and Calcium


Atomic Properties

Atomic Number
20   
99+
73   
99+

Electron Configuration
[Ar] 4s2   
[Xe] 4f14 5d3 6s2   

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

Crystal Lattice
FCC-Crystal-Structure-of-Calcium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
20   
99+
73   
99+

Number of Neutrons
20   
99+
108   
28

Number of Electrons
20   
99+
73   
99+

Radius of an Atom
  
  

Atomic Radius
197.00 pm   
6
146.00 pm   
35

Covalent Radius
176.00 pm   
22
170.00 pm   
25

Van der Waals Radius
231.00 pm   
19
200.00 pm   
28

Atomic Weight
40.08 amu   
99+
180.95 amu   
38

Atomic Volume
29.90 cm3/mol   
7
10.90 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Potassium
  
Hafnium
  

Next Element
Scandium
  
Tungsten
  

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

Lattice Constant
558.84 pm   
9
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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