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Atomic Structure of Curium and Samarium


Atomic Structure of Samarium and Curium


Atomic Properties

Atomic Number
96   
22
62   
99+

Electron Configuration
[Rn] 5f7 6d1 7s2   
[Xe] 4f6 6s2   

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

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

Atom
  
  

Number of Protons
96   
22
62   
99+

Number of Neutrons
151   
10
88   
39

Number of Electrons
96   
22
62   
99+

Radius of an Atom
  
  

Atomic Radius
174.00 pm   
20
180.00 pm   
14

Covalent Radius
169.00 pm   
26
198.00 pm   
13

Van der Waals Radius
200.00 pm   
28
229.00 pm   
20

Atomic Weight
247.00 amu   
18
150.36 amu   
99+

Atomic Volume
18.28 cm3/mol   
26
19.95 cm3/mol   
19

Adjacent Atomic Numbers
  
  

Previous Element
Americium
  
Promethium
  

Next Element
Berkelium
  
Europium
  

Valence Electron Potential
44.50 (-eV)   
38
44.80 (-eV)   
37

Lattice Constant
Not Available   
362.10 pm   
33

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

Lattice C/A Ratio
Not Available   
Not Available   

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