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Atomic Structure of Erbium and Strontium


Atomic Structure of Strontium and Erbium


Atomic Properties

Atomic Number
68   
99+
38   
99+

Electron Configuration
[Xe] 4f12 6s2   
[Kr] 5s2   

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

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

Atom
  
  

Number of Protons
68   
99+
38   
99+

Number of Neutrons
99   
33
50   
99+

Number of Electrons
68   
99+
38   
99+

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
215.00 pm   
5

Covalent Radius
189.00 pm   
19
195.00 pm   
15

Van der Waals Radius
Not Available   
249.00 pm   
7

Atomic Weight
167.26 amu   
99+
87.62 amu   
99+

Atomic Volume
18.40 cm3/mol   
25
33.70 cm3/mol   
6

Adjacent Atomic Numbers
  
  

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Thulium
  
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Valence Electron Potential
49.00 (-eV)   
29
25.70 (-eV)   
99+

Lattice Constant
355.88 pm   
39
608.49 pm   
6

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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