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Atomic Structure of Thallium and Strontium

Thallium
Strontium
Atomic Structure of Strontium and Thallium


Atomic Properties
Atomic Number
81   
35
38   
99+
Electron Configuration
[Xe] 4f14 5d10 6s2 6p1   
[Kr] 5s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Strontium.jpg#100   
Atom
  
  
Number of Protons
81   
35
38   
99+
Number of Neutrons
123   
20
50   
99+
Number of Electrons
81   
35
38   
99+
Radius of an Atom
  
  
Atomic Radius
170.00 pm   
22
215.00 pm   
5
Covalent Radius
145.00 pm   
39
195.00 pm   
15
Van der Waals Radius
196.00 pm   
30
249.00 pm   
7
Atomic Weight
204.38 amu   
31
87.62 amu   
99+
Atomic Volume
17.20 cm3/mol   
31
33.70 cm3/mol   
6
Adjacent Atomic Numbers
  
  
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Mercury
  
Rubidium
  
Next Element
Lead
  
Yttrium
  
Valence Electron Potential
9.60 (-eV)   
99+
25.70 (-eV)   
99+
Lattice Constant
345.66 pm   
99+
608.49 pm   
6
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.60   
6
Not Available   
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