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Atomic Structure of Rhenium and Erbium


Atomic Structure of Erbium and Rhenium


Atomic Properties

Atomic Number
75   
99+
68   
99+

Electron Configuration
[Xe] 4f14 5d5 6s2   
[Xe] 4f12 6s2   

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

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

Atom
  
  

Number of Protons
75   
40
68   
99+

Number of Neutrons
111   
26
99   
33

Number of Electrons
75   
40
68   
99+

Radius of an Atom
  
  

Atomic Radius
137.00 pm   
40
176.00 pm   
18

Covalent Radius
151.00 pm   
34
189.00 pm   
19

Van der Waals Radius
200.00 pm   
28
Not Available   

Atomic Weight
186.21 amu   
36
167.26 amu   
99+

Atomic Volume
8.85 cm3/mol   
99+
18.40 cm3/mol   
25

Adjacent Atomic Numbers
  
  

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Osmium
  
Thulium
  

Valence Electron Potential
180.00 (-eV)   
3
49.00 (-eV)   
29

Lattice Constant
276.10 pm   
99+
355.88 pm   
39

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

Lattice C/A Ratio
1.62   
3
1.57   
17

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