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Atomic Structure of Berkelium and Samarium


Atomic Structure of Samarium and Berkelium


Atomic Properties

Atomic Number
97   
21
62   
99+

Electron Configuration
[Rn] 5f9 7s2   
[Xe] 4f6 6s2   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Rhombohedral (RHO)   

Crystal Lattice
DHCP-Crystal-Structure-of-Berkelium.jpg#100   
RHO-Crystal-Structure-of-Samarium.jpg#100   

Atom
  
  

Number of Protons
97   
21
62   
99+

Number of Neutrons
150   
11
88   
39

Number of Electrons
97   
21
62   
99+

Radius of an Atom
  
  

Atomic Radius
170.00 pm   
22
180.00 pm   
14

Covalent Radius
Not Available   
198.00 pm   
13

Van der Waals Radius
Not Available   
229.00 pm   
20

Atomic Weight
247.00 amu   
18
150.36 amu   
99+

Atomic Volume
Not Available   
19.95 cm3/mol   
19

Adjacent Atomic Numbers
  
  

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Promethium
  

Next Element
Europium
  

Valence Electron Potential
45.50 (-eV)   
36
44.80 (-eV)   
37

Lattice Constant
341.60 pm   
99+
362.10 pm   
33

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

Lattice C/A Ratio
Not Available   
Not Available   

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