Home
Compare Metals


Atomic Structure of Hafnium and Roentgenium


Atomic Structure of Roentgenium and Hafnium


Atomic Properties

Atomic Number
72   
99+
111   
7

Electron Configuration
[Xe] 4f14 5d2 6s2   
[Rn] 5f14 6d9 7s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
72   
99+
111   
7

Number of Neutrons
106   
29
161   
3

Number of Electrons
72   
99+
111   
7

Radius of an Atom
  
  

Atomic Radius
159.00 pm   
28
Not Available   

Covalent Radius
175.00 pm   
23
Not Available   

Van der Waals Radius
200.00 pm   
28
Not Available   

Atomic Weight
178.49 amu   
39
281.00 amu   
6

Atomic Volume
13.60 cm3/mol   
38
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Lutetium
  

Next Element
Tantalum
  

Valence Electron Potential
81.00 (-eV)   
16
Not Available   

Lattice Constant
319.64 pm   
99+
Not Available   

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

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