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Atomic Structure of Technetium and Yttrium


Atomic Structure of Yttrium and Technetium


Atomic Properties

Atomic Number
43   
99+
39   
99+

Electron Configuration
[Kr] 4d5 5s2   
[Kr] 4d1 5s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
HCP-Crystal-Structure-of-Technetium.jpg#100   
HCP-Crystal-Structure-of-Yttrium.jpg#100   

Atom
  
  

Number of Protons
43   
99+
39   
99+

Number of Neutrons
55   
99+
50   
99+

Number of Electrons
43   
99+
39   
99+

Radius of an Atom
  
  

Atomic Radius
136.00 pm   
99+
180.00 pm   
14

Covalent Radius
147.00 pm   
37
190.00 pm   
18

Van der Waals Radius
200.00 pm   
28
200.00 pm   
28

Atomic Weight
98.00 amu   
99+
88.91 amu   
99+

Atomic Volume
8.50 cm3/mol   
99+
19.80 cm3/mol   
21

Adjacent Atomic Numbers
  
  

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Molybdenum
  
Strontium
  

Next Element
Ruthenium
  
Zirconium
  

Valence Electron Potential
180.00 (-eV)   
3
48.00 (-eV)   
30

Lattice Constant
273.50 pm   
99+
364.74 pm   
31

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
1.60   
5
1.57   
16

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