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Atomic Structure of Erbium and Osmium


Atomic Structure of Osmium and Erbium


Atomic Properties

Atomic Number
68   
99+
76   
40

Electron Configuration
[Xe] 4f12 6s2   
[Xe] 4f14 5d6 6s2   

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

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

Atom
  
  

Number of Protons
68   
99+
76   
39

Number of Neutrons
99   
33
114   
25

Number of Electrons
68   
99+
76   
39

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
133.80 pm   
99+

Covalent Radius
189.00 pm   
19
Not Available   

Van der Waals Radius
Not Available   
216.00 pm   
24

Atomic Weight
167.26 amu   
99+
190.23 amu   
35

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

Adjacent Atomic Numbers
  
  

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Thulium
  
Iridium
  

Valence Electron Potential
49.00 (-eV)   
29
91.40 (-eV)   
12

Lattice Constant
355.88 pm   
39
273.44 pm   
99+

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

Lattice C/A Ratio
1.57   
17
1.58   
14

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