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Atomic Structure of Mercury and Americium

Mercury
Americium
Atomic Structure of Americium and Mercury


Atomic Properties
Atomic Number
80   
36
95   
23
Electron Configuration
[Xe] 4f14 5d10 6s2   
[Rn] 5f7 7s2   
Crystal Structure
Rhombohedral (RHO)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
RHO-Crystal-Structure-of-Mercury.jpg#100   
DHCP-Crystal-Structure-of-Americium.jpg#100   
Atom
  
  
Number of Protons
80   
36
95   
23
Number of Neutrons
121   
22
148   
12
Number of Electrons
80   
36
95   
23
Radius of an Atom
  
  
Atomic Radius
151.00 pm   
32
173.00 pm   
21
Covalent Radius
132.00 pm   
99+
180.00 pm   
21
Van der Waals Radius
155.00 pm   
99+
244.00 pm   
10
Atomic Weight
200.59 amu   
32
243.00 amu   
20
Atomic Volume
14.82 cm3/mol   
35
17.86 cm3/mol   
29
Adjacent Atomic Numbers
  
  
Previous Element
Gold
  
Plutonium
  
Next Element
Thallium
  
Curium
  
Valence Electron Potential
28.20 (-eV)   
99+
44.00 (-eV)   
40
Lattice Constant
300.50 pm   
99+
346.81 pm   
99+
Lattice Angles
NA   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
Not Available   
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