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Atomic Structure of Technetium and Terbium

Technetium
Terbium
Atomic Structure of Terbium and Technetium


Atomic Properties
Atomic Number
43   
99+
65   
99+
Electron Configuration
[Kr] 4d5 5s2   
[Xe] 4f9 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Technetium.jpg#100   
HCP-Crystal-Structure-of-Terbium.jpg#100   
Atom
  
  
Number of Protons
43   
99+
65   
99+
Number of Neutrons
55   
99+
94   
36
Number of Electrons
43   
99+
65   
99+
Radius of an Atom
  
  
Atomic Radius
136.00 pm   
99+
177.00 pm   
17
Covalent Radius
147.00 pm   
37
194.00 pm   
16
Van der Waals Radius
200.00 pm   
28
221.00 pm   
22
Atomic Weight
98.00 amu   
99+
158.93 amu   
99+
Atomic Volume
8.50 cm3/mol   
99+
19.20 cm3/mol   
22
Adjacent Atomic Numbers
  
  
Previous Element
Molybdenum
  
Gadolinium
  
Next Element
Ruthenium
  
Dysprosium
  
Valence Electron Potential
180.00 (-eV)   
3
46.80 (-eV)   
33
Lattice Constant
273.50 pm   
99+
360.10 pm   
36
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.60   
5
1.58   
13
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