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Atomic Structure of Lawrencium and Iridium


Atomic Structure of Iridium and Lawrencium


Atomic Properties

Atomic Number
103   
15
77   
39

Electron Configuration
[Rn] 5f14 7s2 7p1   
[Xe] 4f14 5d7 6s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Iridium.jpg#100   

Atom
  
  

Number of Protons
103   
15
74   
99+

Number of Neutrons
157   
7
110   
27

Number of Electrons
103   
15
74   
99+

Radius of an Atom
  
  

Atomic Radius
Not Available   
136.00 pm   
99+

Covalent Radius
Not Available   
141.00 pm   
99+

Van der Waals Radius
246.00 pm   
8
202.00 pm   
27

Atomic Weight
266.00 amu   
12
192.22 amu   
34

Atomic Volume
Not Available   
9.53 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Nobelium
  
Osmium
  

Next Element
Platinum
  

Valence Electron Potential
Not Available   
140.00 (-eV)   
5

Lattice Constant
Not Available   
383.90 pm   
26

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

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