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Atomic Structure of Technetium and Terbium

Technetium
Terbium
Atomic Structure of Terbium and Technetium


Atomic
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  
37
Number of Electrons
43  
99+
65  
99+
Radius of an Atom
  
  
Atomic Radius
136.00 pm  
99+
177.00 pm  
19
Covalent Radius
147.00 pm  
39
194.00 pm  
16
Van der Waals Radius
200.00 pm  
35
221.00 pm  
27
Atomic Weight
98.00 amu  
99+
158.93 amu  
99+
Atomic Volume
8.50 cm3/mol  
99+
19.20 cm3/mol  
34
Adjacent Atomic Numbers
  
  
Previous Element
Molybdenum
  
Gadolinium
  
Next Element
Ruthenium
  
Dysprosium
  
Valence Electron Potential
180.00 (-eV)  
3
46.80 (-eV)  
34
Lattice Constant
273.50 pm  
99+
360.10 pm  
40
Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.60  
21
1.58  
35
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