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Atomic Structure of Technetium and Tin

Technetium
Tin
Atomic Structure of Tin and Technetium


Atomic
Atomic Number
43  
99+
50  
99+
Electron Configuration
[Kr] 4d5 5s2  
[Kr] 4d10 5s2 5p2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Tetragonal (TETR)  
Crystal Lattice
HCP-Crystal-Structure-of-Technetium.jpg#100  
TETR-Crystal-Structure-of-Tin.jpg#100  
Atom
  
  
Number of Protons
43  
99+
50  
99+
Number of Neutrons
55  
99+
69  
99+
Number of Electrons
43  
99+
50  
99+
Radius of an Atom
  
  
Atomic Radius
136.00 pm  
99+
140.00 pm  
40
Covalent Radius
147.00 pm  
39
139.00 pm  
99+
Van der Waals Radius
200.00 pm  
35
217.00 pm  
29
Atomic Weight
98.00 amu  
99+
118.71 amu  
99+
Atomic Volume
8.50 cm3/mol  
99+
16.30 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Molybdenum
  
Indium
  
Next Element
Ruthenium
  
Cesium
  
Valence Electron Potential
180.00 (-eV)  
3
83.50 (-eV)  
14
Lattice Constant
273.50 pm  
99+
583.18 pm  
7
Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, π/2  
Lattice C/A Ratio
1.60  
21
0.68  
99+
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