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Atomic Structure of Magnesium and Thulium


Atomic Structure of Thulium and Magnesium


Atomic Properties

Atomic Number
12   
99+
69   
99+

Electron Configuration
[Ne] 3s2   
[Xe] 4f13 6s2   

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

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

Atom
  
  

Number of Protons
12   
99+
69   
99+

Number of Neutrons
12   
99+
100   
32

Number of Electrons
12   
99+
69   
99+

Radius of an Atom
  
  

Atomic Radius
160.00 pm   
27
176.00 pm   
18

Covalent Radius
141.00 pm   
99+
160.00 pm   
30

Van der Waals Radius
173.00 pm   
37
Not Available   

Atomic Weight
24.31 amu   
99+
168.93 amu   
99+

Atomic Volume
13.97 cm3/mol   
37
18.10 cm3/mol   
28

Adjacent Atomic Numbers
  
  

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Sodium
  
Erbium
  

Next Element
Aluminium
  
Ytterbium
  

Valence Electron Potential
40.00 (-eV)   
99+
49.70 (-eV)   
28

Lattice Constant
320.94 pm   
99+
353.75 pm   
40

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

Lattice C/A Ratio
Not Available   
1.57   
17

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