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Atomic Structure of Einsteinium and Technetium


Atomic Structure of Technetium and Einsteinium


Atomic Properties

Atomic Number
99   
19
43   
99+

Electron Configuration
[Rn] 5f11 7s2   
[Kr] 4d5 5s2   

Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
FCC-Crystal-Structure-of-Einsteinium.jpg#100   
HCP-Crystal-Structure-of-Technetium.jpg#100   

Atom
  
  

Number of Protons
99   
19
43   
99+

Number of Neutrons
153   
9
55   
99+

Number of Electrons
99   
19
43   
99+

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
136.00 pm   
99+

Covalent Radius
Not Available   
147.00 pm   
37

Van der Waals Radius
Not Available   
200.00 pm   
28

Atomic Weight
252.00 amu   
16
98.00 amu   
99+

Atomic Volume
Not Available   
8.50 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Molybdenum
  

Next Element
Fermium
  
Ruthenium
  

Valence Electron Potential
Not Available   
180.00 (-eV)   
3

Lattice Constant
Not Available   
273.50 pm   
99+

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

Lattice C/A Ratio
Not Available   
1.60   
5

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