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Atomic Structure of Gadolinium and Fermium


Atomic Structure of Fermium and Gadolinium


Atomic Properties

Atomic Number
64   
99+
100   
18

Electron Configuration
[Xe] 4f7 5d1 6s2   
[Rn] 5f12 7s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Not Known   

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

Atom
  
  

Number of Protons
64   
99+
100   
18

Number of Neutrons
93   
37
157   
7

Number of Electrons
64   
99+
100   
18

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
Not Available   

Covalent Radius
196.00 pm   
14
Not Available   

Van der Waals Radius
237.00 pm   
15
245.00 pm   
9

Atomic Weight
47.87 amu   
99+
257.00 amu   
15

Atomic Volume
19.90 cm3/mol   
20
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Europium
  

Next Element
Terbium
  

Valence Electron Potential
46.10 (-eV)   
34
Not Available   

Lattice Constant
363.60 pm   
32
Not Available   

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

Lattice C/A Ratio
1.59   
9
Not Available   

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