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Atomic Structure of Curium and Thulium


Atomic Structure of Thulium and Curium


Atomic Properties

Atomic Number
96   
22
69   
99+

Electron Configuration
[Rn] 5f7 6d1 7s2   
[Xe] 4f13 6s2   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
DHCP-Crystal-Structure-of-Curium.jpg#100   
HCP-Crystal-Structure-of-Thulium.jpg#100   

Atom
  
  

Number of Protons
96   
22
69   
99+

Number of Neutrons
151   
10
100   
32

Number of Electrons
96   
22
69   
99+

Radius of an Atom
  
  

Atomic Radius
174.00 pm   
20
176.00 pm   
18

Covalent Radius
169.00 pm   
26
160.00 pm   
30

Van der Waals Radius
200.00 pm   
28
Not Available   

Atomic Weight
247.00 amu   
18
168.93 amu   
99+

Atomic Volume
18.28 cm3/mol   
26
18.10 cm3/mol   
28

Adjacent Atomic Numbers
  
  

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Berkelium
  
Ytterbium
  

Valence Electron Potential
44.50 (-eV)   
38
49.70 (-eV)   
28

Lattice Constant
Not Available   
353.75 pm   
40

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

Lattice C/A Ratio
Not Available   
1.57   
17

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