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Atomic Structure of Rhenium and Lanthanum

Rhenium
Lanthanum
Atomic Structure of Lanthanum and Rhenium


Atomic Properties
Atomic Number
75   
99+
57   
99+
Electron Configuration
[Xe] 4f14 5d5 6s2   
[Xe] 5d2 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
DHCP-Crystal-Structure-of-Lanthanum.jpg#100   
Atom
  
  
Number of Protons
75   
40
57   
99+
Number of Neutrons
111   
26
82   
99+
Number of Electrons
75   
40
57   
99+
Radius of an Atom
  
  
Atomic Radius
137.00 pm   
40
187.00 pm   
8
Covalent Radius
151.00 pm   
34
207.00 pm   
6
Van der Waals Radius
200.00 pm   
28
240.00 pm   
13
Atomic Weight
186.21 amu   
36
138.91 amu   
99+
Atomic Volume
8.85 cm3/mol   
99+
20.73 cm3/mol   
16
Adjacent Atomic Numbers
  
  
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Tungsten
  
Barium
  
Next Element
Osmium
  
Cerium
  
Valence Electron Potential
180.00 (-eV)   
3
40.71 (-eV)   
99+
Lattice Constant
276.10 pm   
99+
377.20 pm   
28
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.62   
3
1.62   
2
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