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Atomic Structure of Curium and Lanthanum

Curium
Lanthanum
Atomic Structure of Lanthanum and Curium


Atomic Properties
Atomic Number
96   
22
57   
99+
Electron Configuration
[Rn] 5f7 6d1 7s2   
[Xe] 5d2 6s2   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
DHCP-Crystal-Structure-of-Curium.jpg#100   
DHCP-Crystal-Structure-of-Lanthanum.jpg#100   
Atom
  
  
Number of Protons
96   
22
57   
99+
Number of Neutrons
151   
10
82   
99+
Number of Electrons
96   
22
57   
99+
Radius of an Atom
  
  
Atomic Radius
174.00 pm   
20
187.00 pm   
8
Covalent Radius
169.00 pm   
26
207.00 pm   
6
Van der Waals Radius
200.00 pm   
28
240.00 pm   
13
Atomic Weight
247.00 amu   
18
138.91 amu   
99+
Atomic Volume
18.28 cm3/mol   
26
20.73 cm3/mol   
16
Adjacent Atomic Numbers
  
  
Previous Element
Americium
  
Barium
  
Next Element
Berkelium
  
Cerium
  
Valence Electron Potential
44.50 (-eV)   
38
40.71 (-eV)   
99+
Lattice Constant
Not Available   
377.20 pm   
28
Lattice Angles
NA   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.62   
2
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