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Atomic Structure of Technetium and Neodymium

Technetium
Neodymium
Atomic Structure of Neodymium and Technetium


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