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Atomic Structure of Americium and Platinum


Atomic Structure of Platinum and Americium


Atomic Properties

Atomic Number
95   
23
78   
38

Electron Configuration
[Rn] 5f7 7s2   
[Xe] 4f14 5d9 6s1   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
DHCP-Crystal-Structure-of-Americium.jpg#100   
FCC-Crystal-Structure-of-Platinum.jpg#100   

Atom
  
  

Number of Protons
95   
23
78   
38

Number of Neutrons
148   
12
117   
24

Number of Electrons
95   
23
78   
38

Radius of an Atom
  
  

Atomic Radius
173.00 pm   
21
139.00 pm   
39

Covalent Radius
180.00 pm   
21
136.00 pm   
99+

Van der Waals Radius
244.00 pm   
10
175.00 pm   
36

Atomic Weight
243.00 amu   
20
47.87 amu   
99+

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

Adjacent Atomic Numbers
  
  

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Iridium
  

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Curium
  
Gold
  

Valence Electron Potential
44.00 (-eV)   
40
392.42 (-eV)   
1

Lattice Constant
346.81 pm   
99+
392.42 pm   
24

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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