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Atomic Structure of Iridium and Neodymium


Atomic Structure of Neodymium and Iridium


Atomic Properties

Atomic Number
77   
39
60   
99+

Electron Configuration
[Xe] 4f14 5d7 6s2   
[Xe] 4f4 6s2   

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

Crystal Lattice
FCC-Crystal-Structure-of-Iridium.jpg#100   
DHCP-Crystal-Structure-of-Neodymium.jpg#100   

Atom
  
  

Number of Protons
74   
99+
60   
99+

Number of Neutrons
110   
27
84   
40

Number of Electrons
74   
99+
60   
99+

Radius of an Atom
  
  

Atomic Radius
136.00 pm   
99+
181.00 pm   
13

Covalent Radius
141.00 pm   
99+
201.00 pm   
10

Van der Waals Radius
202.00 pm   
27
229.00 pm   
20

Atomic Weight
192.22 amu   
34
144.24 amu   
99+

Atomic Volume
9.53 cm3/mol   
99+
20.60 cm3/mol   
18

Adjacent Atomic Numbers
  
  

Previous Element
Osmium
  

Next Element
Platinum
  
Promethium
  

Valence Electron Potential
140.00 (-eV)   
5
43.40 (-eV)   
99+

Lattice Constant
383.90 pm   
26
365.80 pm   
30

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

Lattice C/A Ratio
Not Available   
1.61   
4

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