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Atomic Structure of Gadolinium and Technetium


Atomic Structure of Technetium and Gadolinium


Atomic Properties

Atomic Number
64   
99+
43   
99+

Electron Configuration
[Xe] 4f7 5d1 6s2   
[Kr] 4d5 5s2   

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

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

Atom
  
  

Number of Protons
64   
99+
43   
99+

Number of Neutrons
93   
37
55   
99+

Number of Electrons
64   
99+
43   
99+

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
136.00 pm   
99+

Covalent Radius
196.00 pm   
14
147.00 pm   
37

Van der Waals Radius
237.00 pm   
15
200.00 pm   
28

Atomic Weight
47.87 amu   
99+
98.00 amu   
99+

Atomic Volume
19.90 cm3/mol   
20
8.50 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Europium
  
Molybdenum
  

Next Element
Terbium
  
Ruthenium
  

Valence Electron Potential
46.10 (-eV)   
34
180.00 (-eV)   
3

Lattice Constant
363.60 pm   
32
273.50 pm   
99+

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

Lattice C/A Ratio
1.59   
9
1.60   
5

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