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Atomic Structure of Neodymium and Iridium


Atomic Structure of Iridium and Neodymium


Atomic Properties

Atomic Number
60   
99+
77   
39

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

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

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

Atom
  
  

Number of Protons
60   
99+
74   
99+

Number of Neutrons
84   
40
110   
27

Number of Electrons
60   
99+
74   
99+

Radius of an Atom
  
  

Atomic Radius
181.00 pm   
13
136.00 pm   
99+

Covalent Radius
201.00 pm   
10
141.00 pm   
99+

Van der Waals Radius
229.00 pm   
20
202.00 pm   
27

Atomic Weight
144.24 amu   
99+
192.22 amu   
34

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

Adjacent Atomic Numbers
  
  

Previous Element
Osmium
  

Next Element
Promethium
  
Platinum
  

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

Lattice Constant
365.80 pm   
30
383.90 pm   
26

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

Lattice C/A Ratio
1.61   
4
Not Available   

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