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Atomic Structure of Meitnerium and Samarium


Atomic Structure of Samarium and Meitnerium


Atomic Properties

Atomic Number
109   
9
62   
99+

Electron Configuration
[Rn] 5f14 6d7 7s2   
[Xe] 4f6 6s2   

Crystal Structure
Face Centered Cubic (FCC)   
Rhombohedral (RHO)   

Crystal Lattice
FCC-Crystal-Structure-of-Meitnerium.jpg#100   
RHO-Crystal-Structure-of-Samarium.jpg#100   

Atom
  
  

Number of Protons
109   
9
62   
99+

Number of Neutrons
157   
7
88   
39

Number of Electrons
109   
9
62   
99+

Radius of an Atom
  
  

Atomic Radius
122.00 pm   
99+
180.00 pm   
14

Covalent Radius
129.00 pm   
99+
198.00 pm   
13

Van der Waals Radius
Not Available   
229.00 pm   
20

Atomic Weight
278.00 amu   
7
150.36 amu   
99+

Atomic Volume
Not Available   
19.95 cm3/mol   
19

Adjacent Atomic Numbers
  
  

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Hassium
  
Promethium
  

Next Element
Europium
  

Valence Electron Potential
Not Available   
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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