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Atomic Structure of Strontium and Erbium


Atomic Structure of Erbium and Strontium


Atomic Properties

Atomic Number
38   
99+
68   
99+

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

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

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

Atom
  
  

Number of Protons
38   
99+
68   
99+

Number of Neutrons
50   
99+
99   
33

Number of Electrons
38   
99+
68   
99+

Radius of an Atom
  
  

Atomic Radius
215.00 pm   
5
176.00 pm   
18

Covalent Radius
195.00 pm   
15
189.00 pm   
19

Van der Waals Radius
249.00 pm   
7
Not Available   

Atomic Weight
87.62 amu   
99+
167.26 amu   
99+

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

Adjacent Atomic Numbers
  
  

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Rubidium
  
Holmium
  

Next Element
Yttrium
  
Thulium
  

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

Lattice Constant
608.49 pm   
6
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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