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Atomic Structure of Thallium and Neodymium

Thallium
Neodymium
Atomic Structure of Neodymium and Thallium


Atomic Properties
Atomic Number
81   
35
60   
99+
Electron Configuration
[Xe] 4f14 5d10 6s2 6p1   
[Xe] 4f4 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
DHCP-Crystal-Structure-of-Neodymium.jpg#100   
Atom
  
  
Number of Protons
81   
35
60   
99+
Number of Neutrons
123   
20
84   
40
Number of Electrons
81   
35
60   
99+
Radius of an Atom
  
  
Atomic Radius
170.00 pm   
22
181.00 pm   
13
Covalent Radius
145.00 pm   
39
201.00 pm   
10
Van der Waals Radius
196.00 pm   
30
229.00 pm   
20
Atomic Weight
204.38 amu   
31
144.24 amu   
99+
Atomic Volume
17.20 cm3/mol   
31
20.60 cm3/mol   
18
Adjacent Atomic Numbers
  
  
Previous Element
Mercury
  
Praseodymium
  
Next Element
Lead
  
Promethium
  
Valence Electron Potential
9.60 (-eV)   
99+
43.40 (-eV)   
99+
Lattice Constant
345.66 pm   
99+
365.80 pm   
30
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.60   
6
1.61   
4
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