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Atomic Structure of Curium and Hafnium

Curium
Hafnium
Atomic Structure of Hafnium and Curium


Atomic Properties
Atomic Number
96   
22
72   
99+
Electron Configuration
[Rn] 5f7 6d1 7s2   
[Xe] 4f14 5d2 6s2   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
DHCP-Crystal-Structure-of-Curium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
96   
22
72   
99+
Number of Neutrons
151   
10
106   
29
Number of Electrons
96   
22
72   
99+
Radius of an Atom
  
  
Atomic Radius
174.00 pm   
20
159.00 pm   
28
Covalent Radius
169.00 pm   
26
175.00 pm   
23
Van der Waals Radius
200.00 pm   
28
200.00 pm   
28
Atomic Weight
247.00 amu   
18
178.49 amu   
39
Atomic Volume
18.28 cm3/mol   
26
13.60 cm3/mol   
38
Adjacent Atomic Numbers
  
  
Previous Element
Americium
  
Lutetium
  
Next Element
Berkelium
  
Tantalum
  
Valence Electron Potential
44.50 (-eV)   
38
81.00 (-eV)   
16
Lattice Constant
Not Available   
319.64 pm   
99+
Lattice Angles
NA   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.58   
12
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