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Atomic Structure of Ytterbium and Erbium


Atomic Structure of Erbium and Ytterbium


Atomic Properties

Atomic Number
70   
99+
68   
99+

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

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

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

Atom
  
  

Number of Protons
70   
99+
68   
99+

Number of Neutrons
103   
31
99   
33

Number of Electrons
70   
99+
68   
99+

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
176.00 pm   
18

Covalent Radius
187.00 pm   
20
189.00 pm   
19

Van der Waals Radius
242.00 pm   
12
Not Available   

Atomic Weight
173.05 amu   
99+
167.26 amu   
99+

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

Adjacent Atomic Numbers
  
  

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Lutetium
  
Thulium
  

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

Lattice Constant
548.47 pm   
11
355.88 pm   
39

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

Lattice C/A Ratio
Not Available   
1.57   
17

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