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Atomic Structure of Iron and Technetium

Iron
Technetium
Atomic Structure of Technetium and Iron


Atomic
Atomic Number
26  
99+
43  
99+
Electron Configuration
[Ar] 3d6 4s2  
[Kr] 4d5 5s2  
Crystal Structure
Body Centered Cubic (BCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
HCP-Crystal-Structure-of-Technetium.jpg#100  
Atom
  
  
Number of Protons
26  
99+
43  
99+
Number of Neutrons
30  
99+
55  
99+
Number of Electrons
26  
99+
43  
99+
Radius of an Atom
  
  
Atomic Radius
126.00 pm  
99+
136.00 pm  
99+
Covalent Radius
132.00 pm  
99+
147.00 pm  
39
Van der Waals Radius
200.00 pm  
35
200.00 pm  
35
Atomic Weight
55.85 amu  
99+
98.00 amu  
99+
Atomic Volume
7.10 cm3/mol  
99+
8.50 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Manganese
  
Molybdenum
  
Next Element
Cobalt
  
Ruthenium
  
Valence Electron Potential
67.00 (-eV)  
20
180.00 (-eV)  
3
Lattice Constant
286.65 pm  
99+
273.50 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.35  
99+
1.60  
21
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