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Atomic Structure of Strontium and Holmium


Atomic Structure of Holmium and Strontium


Atomic Properties

Atomic Number
38   
99+
67   
99+

Electron Configuration
[Kr] 5s2   
[Xe] 4f11 6s2   

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

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

Atom
  
  

Number of Protons
38   
99+
67   
99+

Number of Neutrons
50   
99+
98   
34

Number of Electrons
38   
99+
67   
99+

Radius of an Atom
  
  

Atomic Radius
215.00 pm   
5
176.00 pm   
18

Covalent Radius
195.00 pm   
15
192.00 pm   
17

Van der Waals Radius
249.00 pm   
7
216.00 pm   
24

Atomic Weight
87.62 amu   
99+
164.93 amu   
99+

Atomic Volume
33.70 cm3/mol   
6
18.70 cm3/mol   
24

Adjacent Atomic Numbers
  
  

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Yttrium
  
Erbium
  

Valence Electron Potential
25.70 (-eV)   
99+
47.90 (-eV)   
31

Lattice Constant
608.49 pm   
6
357.73 pm   
38

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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