Home

Transition Metals + -

Actinide Metals + -

Lanthanide Metals + -

Post-Transition Metals + -

Alkaline Earth Metals + -

Compare Metals


Atomic Structure of Samarium and Gallium


Atomic Structure of Gallium and Samarium


Atomic Properties

Atomic Number
62   
99+
31   
99+

Electron Configuration
[Xe] 4f6 6s2   
[Ar] 3d10 4s2 4p1   

Crystal Structure
Rhombohedral (RHO)   
Orthorhombic (ORTH)   

Crystal Lattice
RHO-Crystal-Structure-of-Samarium.jpg#100   
ORTH-Crystal-Structure-of-Gallium.jpg#100   

Atom
  
  

Number of Protons
62   
99+
31   
99+

Number of Neutrons
88   
39
39   
99+

Number of Electrons
62   
99+
31   
99+

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
135.00 pm   
99+

Covalent Radius
198.00 pm   
13
122.00 pm   
99+

Van der Waals Radius
229.00 pm   
20
187.00 pm   
32

Atomic Weight
150.36 amu   
99+
69.72 amu   
99+

Atomic Volume
19.95 cm3/mol   
19
11.80 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Promethium
  
Zinc
  

Next Element
Europium
  
Rubidium
  

Valence Electron Potential
44.80 (-eV)   
37
69.70 (-eV)   
19

Lattice Constant
362.10 pm   
33
451.97 pm   
18

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

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical >>
<< Chemical

Compare Lanthanide Series

Lanthanide Metals

Lanthanide Metals

» More Lanthanide Metals

Compare Lanthanide Series

» More Compare Lanthanide Series