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Atomic Structure of Platinum and Lanthanum


Atomic Structure of Lanthanum and Platinum


Atomic Properties

Atomic Number
78   
38
57   
99+

Electron Configuration
[Xe] 4f14 5d9 6s1   
[Xe] 5d2 6s2   

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

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

Atom
  
  

Number of Protons
78   
38
57   
99+

Number of Neutrons
117   
24
82   
99+

Number of Electrons
78   
38
57   
99+

Radius of an Atom
  
  

Atomic Radius
139.00 pm   
39
187.00 pm   
8

Covalent Radius
136.00 pm   
99+
207.00 pm   
6

Van der Waals Radius
175.00 pm   
36
240.00 pm   
13

Atomic Weight
47.87 amu   
99+
138.91 amu   
99+

Atomic Volume
9.09 cm3/mol   
99+
20.73 cm3/mol   
16

Adjacent Atomic Numbers
  
  

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Iridium
  
Barium
  

Next Element
Gold
  
Cerium
  

Valence Electron Potential
392.42 (-eV)   
1
40.71 (-eV)   
99+

Lattice Constant
392.42 pm   
24
377.20 pm   
28

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

Lattice C/A Ratio
Not Available   
1.62   
2

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