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Atomic Structure of Strontium and Lanthanum


Atomic Structure of Lanthanum and Strontium


Atomic Properties

Atomic Number
38   
99+
57   
99+

Electron Configuration
[Kr] 5s2   
[Xe] 5d2 6s2   

Crystal Structure
Face Centered Cubic (FCC)   
Double Hexagonal Close Packed (DHCP)   

Crystal Lattice
FCC-Crystal-Structure-of-Strontium.jpg#100   
DHCP-Crystal-Structure-of-Lanthanum.jpg#100   

Atom
  
  

Number of Protons
38   
99+
57   
99+

Number of Neutrons
50   
99+
82   
99+

Number of Electrons
38   
99+
57   
99+

Radius of an Atom
  
  

Atomic Radius
215.00 pm   
5
187.00 pm   
8

Covalent Radius
195.00 pm   
15
207.00 pm   
6

Van der Waals Radius
249.00 pm   
7
240.00 pm   
13

Atomic Weight
87.62 amu   
99+
138.91 amu   
99+

Atomic Volume
33.70 cm3/mol   
6
20.73 cm3/mol   
16

Adjacent Atomic Numbers
  
  

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Rubidium
  
Barium
  

Next Element
Yttrium
  
Cerium
  

Valence Electron Potential
25.70 (-eV)   
99+
40.71 (-eV)   
99+

Lattice Constant
608.49 pm   
6
377.20 pm   
28

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

Lattice C/A Ratio
Not Available   
1.62   
2

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