Home
Compare Metals


Atomic Structure of Hafnium and Iridium


Atomic Structure of Iridium and Hafnium


Atomic Properties

Atomic Number
72   
99+
77   
39

Electron Configuration
[Xe] 4f14 5d2 6s2   
[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
72   
99+
74   
99+

Number of Neutrons
106   
29
110   
27

Number of Electrons
72   
99+
74   
99+

Radius of an Atom
  
  

Atomic Radius
159.00 pm   
28
136.00 pm   
99+

Covalent Radius
175.00 pm   
23
141.00 pm   
99+

Van der Waals Radius
200.00 pm   
28
202.00 pm   
27

Atomic Weight
178.49 amu   
39
192.22 amu   
34

Atomic Volume
13.60 cm3/mol   
38
9.53 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Lutetium
  
Osmium
  

Next Element
Tantalum
  
Platinum
  

Valence Electron Potential
81.00 (-eV)   
16
140.00 (-eV)   
5

Lattice Constant
319.64 pm   
99+
383.90 pm   
26

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

Lattice C/A Ratio
1.58   
12
Not Available   

Mechanical >>
<< Chemical

Compare Transition Metals

Transition Metals

Transition Metals

» More Transition Metals

Compare Transition Metals

» More Compare Transition Metals