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Atomic Structure of Thallium and Sodium

Thallium
Sodium
Atomic Structure of Sodium and Thallium


Atomic Properties
Atomic Number
81   
35
11   
99+
Electron Configuration
[Xe] 4f14 5d10 6s2 6p1   
[Ne] 3s1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
81   
35
11   
99+
Number of Neutrons
123   
20
12   
99+
Number of Electrons
81   
35
11   
99+
Radius of an Atom
  
  
Atomic Radius
170.00 pm   
22
186.00 pm   
9
Covalent Radius
145.00 pm   
39
166.00 pm   
27
Van der Waals Radius
196.00 pm   
30
227.00 pm   
21
Atomic Weight
204.38 amu   
31
22.99 amu   
99+
Atomic Volume
17.20 cm3/mol   
31
23.70 cm3/mol   
10
Adjacent Atomic Numbers
  
  
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Mercury
  
Beryllium
  
Next Element
Lead
  
Magnesium
  
Valence Electron Potential
9.60 (-eV)   
99+
14.10 (-eV)   
99+
Lattice Constant
345.66 pm   
99+
429.06 pm   
19
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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