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Atomic Structure of Americium and Mercury


Atomic Structure of Mercury and Americium


Atomic Properties

Atomic Number
95   
23
80   
36

Electron Configuration
[Rn] 5f7 7s2   
[Xe] 4f14 5d10 6s2   

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

Crystal Lattice
DHCP-Crystal-Structure-of-Americium.jpg#100   
RHO-Crystal-Structure-of-Mercury.jpg#100   

Atom
  
  

Number of Protons
95   
23
80   
36

Number of Neutrons
148   
12
121   
22

Number of Electrons
95   
23
80   
36

Radius of an Atom
  
  

Atomic Radius
173.00 pm   
21
151.00 pm   
32

Covalent Radius
180.00 pm   
21
132.00 pm   
99+

Van der Waals Radius
244.00 pm   
10
155.00 pm   
99+

Atomic Weight
243.00 amu   
20
200.59 amu   
32

Atomic Volume
17.86 cm3/mol   
29
14.82 cm3/mol   
35

Adjacent Atomic Numbers
  
  

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Next Element
Curium
  
Thallium
  

Valence Electron Potential
44.00 (-eV)   
40
28.20 (-eV)   
99+

Lattice Constant
346.81 pm   
99+
300.50 pm   
99+

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

Lattice C/A Ratio
Not Available   
Not Available   

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