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Atomic Structure of Meitnerium and Erbium


Atomic Structure of Erbium and Meitnerium


Atomic Properties

Atomic Number
109   
9
68   
99+

Electron Configuration
[Rn] 5f14 6d7 7s2   
[Xe] 4f12 6s2   

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

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

Atom
  
  

Number of Protons
109   
9
68   
99+

Number of Neutrons
157   
7
99   
33

Number of Electrons
109   
9
68   
99+

Radius of an Atom
  
  

Atomic Radius
122.00 pm   
99+
176.00 pm   
18

Covalent Radius
129.00 pm   
99+
189.00 pm   
19

Atomic Weight
278.00 amu   
7
167.26 amu   
99+

Atomic Volume
Not Available   
18.40 cm3/mol   
25

Adjacent Atomic Numbers
  
  

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Hassium
  
Holmium
  

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Thulium
  

Valence Electron Potential
Not Available   
49.00 (-eV)   
29

Lattice Constant
Not Available   
355.88 pm   
39

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

Lattice C/A Ratio
Not Available   
1.57   
17

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