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Atomic Structure of Neodymium and Technetium

Neodymium
Technetium
Atomic Structure of Technetium and Neodymium


Atomic Properties
Atomic Number
60   
99+
43   
99+
Electron Configuration
[Xe] 4f4 6s2   
[Kr] 4d5 5s2   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
DHCP-Crystal-Structure-of-Neodymium.jpg#100   
HCP-Crystal-Structure-of-Technetium.jpg#100   
Atom
  
  
Number of Protons
60   
99+
43   
99+
Number of Neutrons
84   
40
55   
99+
Number of Electrons
60   
99+
43   
99+
Radius of an Atom
  
  
Atomic Radius
181.00 pm   
13
136.00 pm   
99+
Covalent Radius
201.00 pm   
10
147.00 pm   
37
Van der Waals Radius
229.00 pm   
20
200.00 pm   
28
Atomic Weight
144.24 amu   
99+
98.00 amu   
99+
Atomic Volume
20.60 cm3/mol   
18
8.50 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Praseodymium
  
Molybdenum
  
Next Element
Promethium
  
Ruthenium
  
Valence Electron Potential
43.40 (-eV)   
99+
180.00 (-eV)   
3
Lattice Constant
365.80 pm   
30
273.50 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.61   
4
1.60   
5
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Lanthanide Metals

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