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Atomic Structure of Americium and Gallium


Atomic Structure of Gallium and Americium


Atomic Properties

Atomic Number
95   
23
31   
99+

Electron Configuration
[Rn] 5f7 7s2   
[Ar] 3d10 4s2 4p1   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Orthorhombic (ORTH)   

Crystal Lattice
DHCP-Crystal-Structure-of-Americium.jpg#100   
ORTH-Crystal-Structure-of-Gallium.jpg#100   

Atom
  
  

Number of Protons
95   
23
31   
99+

Number of Neutrons
148   
12
39   
99+

Number of Electrons
95   
23
31   
99+

Radius of an Atom
  
  

Atomic Radius
173.00 pm   
21
135.00 pm   
99+

Covalent Radius
180.00 pm   
21
122.00 pm   
99+

Van der Waals Radius
244.00 pm   
10
187.00 pm   
32

Atomic Weight
243.00 amu   
20
69.72 amu   
99+

Atomic Volume
17.86 cm3/mol   
29
11.80 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Curium
  
Rubidium
  

Valence Electron Potential
44.00 (-eV)   
40
69.70 (-eV)   
19

Lattice Constant
346.81 pm   
99+
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   

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