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Atomic Structure of Erbium and Curium

Erbium
Curium
Atomic Structure of Curium and Erbium


Atomic Properties
Atomic Number
68   
99+
96   
22
Electron Configuration
[Xe] 4f12 6s2   
[Rn] 5f7 6d1 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Erbium.jpg#100   
DHCP-Crystal-Structure-of-Curium.jpg#100   
Atom
  
  
Number of Protons
68   
99+
96   
22
Number of Neutrons
99   
33
151   
10
Number of Electrons
68   
99+
96   
22
Radius of an Atom
  
  
Atomic Radius
176.00 pm   
18
174.00 pm   
20
Covalent Radius
189.00 pm   
19
169.00 pm   
26
Van der Waals Radius
Not Available   
200.00 pm   
28
Atomic Weight
167.26 amu   
99+
247.00 amu   
18
Atomic Volume
18.40 cm3/mol   
25
18.28 cm3/mol   
26
Adjacent Atomic Numbers
  
  
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Holmium
  
Americium
  
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Thulium
  
Berkelium
  
Valence Electron Potential
49.00 (-eV)   
29
44.50 (-eV)   
38
Lattice Constant
355.88 pm   
39
Not Available   
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
1.57   
17
Not Available   
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