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Atomic Structure of Americium and Rhenium


Atomic Structure of Rhenium and Americium


Atomic Properties

Atomic Number
95   
23
75   
99+

Electron Configuration
[Rn] 5f7 7s2   
[Xe] 4f14 5d5 6s2   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
DHCP-Crystal-Structure-of-Americium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
95   
23
75   
40

Number of Neutrons
148   
12
111   
26

Number of Electrons
95   
23
75   
40

Radius of an Atom
  
  

Atomic Radius
173.00 pm   
21
137.00 pm   
40

Covalent Radius
180.00 pm   
21
151.00 pm   
34

Van der Waals Radius
244.00 pm   
10
200.00 pm   
28

Atomic Weight
243.00 amu   
20
186.21 amu   
36

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

Adjacent Atomic Numbers
  
  

Previous Element
Plutonium
  
Tungsten
  

Next Element
Curium
  
Osmium
  

Valence Electron Potential
44.00 (-eV)   
40
180.00 (-eV)   
3

Lattice Constant
346.81 pm   
99+
276.10 pm   
99+

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

Lattice C/A Ratio
Not Available   
1.62   
3

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