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Atomic Structure of Magnesium and Tantalum


Atomic Structure of Tantalum and Magnesium


Atomic Properties

Atomic Number
12   
99+
73   
99+

Electron Configuration
[Ne] 3s2   
[Xe] 4f14 5d3 6s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   

Crystal Lattice
HCP-Crystal-Structure-of-Magnesium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
12   
99+
73   
99+

Number of Neutrons
12   
99+
108   
28

Number of Electrons
12   
99+
73   
99+

Radius of an Atom
  
  

Atomic Radius
160.00 pm   
27
146.00 pm   
35

Covalent Radius
141.00 pm   
99+
170.00 pm   
25

Van der Waals Radius
173.00 pm   
37
200.00 pm   
28

Atomic Weight
24.31 amu   
99+
180.95 amu   
38

Atomic Volume
13.97 cm3/mol   
37
10.90 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Sodium
  
Hafnium
  

Next Element
Aluminium
  
Tungsten
  

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

Lattice Constant
320.94 pm   
99+
330.13 pm   
99+

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

Lattice C/A Ratio
Not Available   
Not Available   

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