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Atomic Structure of Erbium and Ytterbium


Atomic Structure of Ytterbium and Erbium


Atomic Properties

Atomic Number
68   
99+
70   
99+

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

Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
HCP-Crystal-Structure-of-Erbium.jpg#100   
FCC-Crystal-Structure-of-Ytterbium.jpg#100   

Atom
  
  

Number of Protons
68   
99+
70   
99+

Number of Neutrons
99   
33
103   
31

Number of Electrons
68   
99+
70   
99+

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
176.00 pm   
18

Covalent Radius
189.00 pm   
19
187.00 pm   
20

Van der Waals Radius
Not Available   
242.00 pm   
12

Atomic Weight
167.26 amu   
99+
173.05 amu   
99+

Atomic Volume
18.40 cm3/mol   
25
24.79 cm3/mol   
9

Adjacent Atomic Numbers
  
  

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Lutetium
  

Valence Electron Potential
49.00 (-eV)   
29
50.30 (-eV)   
27

Lattice Constant
355.88 pm   
39
548.47 pm   
11

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

Lattice C/A Ratio
1.57   
17
Not Available   

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