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Atomic Structure of Platinum and Americium


Atomic Structure of Americium and Platinum


Atomic Properties

Atomic Number
78   
38
95   
23

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

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

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

Atom
  
  

Number of Protons
78   
38
95   
23

Number of Neutrons
117   
24
148   
12

Number of Electrons
78   
38
95   
23

Radius of an Atom
  
  

Atomic Radius
139.00 pm   
39
173.00 pm   
21

Covalent Radius
136.00 pm   
99+
180.00 pm   
21

Van der Waals Radius
175.00 pm   
36
244.00 pm   
10

Atomic Weight
47.87 amu   
99+
243.00 amu   
20

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

Adjacent Atomic Numbers
  
  

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Plutonium
  

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Gold
  
Curium
  

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

Lattice Constant
392.42 pm   
24
346.81 pm   
99+

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

Lattice C/A Ratio
Not Available   
Not Available   

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