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Atomic Structure of Samarium and Plutonium


Atomic Structure of Plutonium and Samarium


Atomic

Atomic Number
62  
99+
94  
24

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

Crystal Structure
Rhombohedral (RHO)  
Monoclinic (MON)  

Crystal Lattice
RHO-Crystal-Structure-of-Samarium.jpg#100  
MON-Crystal-Structure-of-Plutonium.jpg#100  

Atom
  
  

Number of Protons
62  
99+
94  
24

Number of Neutrons
88  
40
150  
12

Number of Electrons
62  
99+
94  
24

Radius of an Atom
  
  

Atomic Radius
180.00 pm  
16
159.00 pm  
30

Covalent Radius
198.00 pm  
13
187.00 pm  
20

Van der Waals Radius
229.00 pm  
25
200.00 pm  
35

Atomic Weight
150.36 amu  
99+
244.00 amu  
19

Atomic Volume
19.95 cm3/mol  
31
12.32 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Neptunium
  

Next Element
Europium
  
Americium
  

Valence Electron Potential
44.80 (-eV)  
38
64.90 (-eV)  
21

Lattice Constant
362.10 pm  
37
618.30 pm  
4

Lattice Angles
π/2, π/2, 2 π/3  
-  

Lattice C/A Ratio
1.62  
15
1.74  
6

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