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Atomic Structure of Fermium and Yttrium


Atomic Structure of Yttrium and Fermium


Atomic Properties

Atomic Number
100   
18
39   
99+

Electron Configuration
[Rn] 5f12 7s2   
[Kr] 4d1 5s2   

Crystal Structure
Not Known   
Hexagonal Close Packed (HCP)   

Crystal Lattice
Unknown-Crystal-Structure-of-Fermium.jpg#100   
HCP-Crystal-Structure-of-Yttrium.jpg#100   

Atom
  
  

Number of Protons
100   
18
39   
99+

Number of Neutrons
157   
7
50   
99+

Number of Electrons
100   
18
39   
99+

Radius of an Atom
  
  

Atomic Radius
Not Available   
180.00 pm   
14

Covalent Radius
Not Available   
190.00 pm   
18

Van der Waals Radius
245.00 pm   
9
200.00 pm   
28

Atomic Weight
257.00 amu   
15
88.91 amu   
99+

Atomic Volume
Not Available   
19.80 cm3/mol   
21

Adjacent Atomic Numbers
  
  

Previous Element
Strontium
  

Next Element
Zirconium
  

Valence Electron Potential
Not Available   
48.00 (-eV)   
30

Lattice Constant
Not Available   
364.74 pm   
31

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

Lattice C/A Ratio
Not Available   
1.57   
16

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