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Atomic Structure of Thallium and 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
  
  

Previous Element
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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