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Atomic Structure of Rhenium and Americium

Rhenium
Americium
Atomic Structure of Americium and Rhenium


Atomic Properties
Atomic Number
75   
99+
95   
23
Electron Configuration
[Xe] 4f14 5d5 6s2   
[Rn] 5f7 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
DHCP-Crystal-Structure-of-Americium.jpg#100   
Atom
  
  
Number of Protons
75   
40
95   
23
Number of Neutrons
111   
26
148   
12
Number of Electrons
75   
40
95   
23
Radius of an Atom
  
  
Atomic Radius
137.00 pm   
40
173.00 pm   
21
Covalent Radius
151.00 pm   
34
180.00 pm   
21
Van der Waals Radius
200.00 pm   
28
244.00 pm   
10
Atomic Weight
186.21 amu   
36
243.00 amu   
20
Atomic Volume
8.85 cm3/mol   
99+
17.86 cm3/mol   
29
Adjacent Atomic Numbers
  
  
Previous Element
Tungsten
  
Plutonium
  
Next Element
Osmium
  
Curium
  
Valence Electron Potential
180.00 (-eV)   
3
44.00 (-eV)   
40
Lattice Constant
276.10 pm   
99+
346.81 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.62   
3
Not Available   
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