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Atomic Structure of Californium and Thulium


Atomic Structure of Thulium and Californium


Atomic Properties

Atomic Number
98   
20
69   
99+

Electron Configuration
[Rn] 5f10 7s2   
[Xe] 4f13 6s2   

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

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

Atom
  
  

Number of Protons
98   
20
69   
99+

Number of Neutrons
153   
9
100   
32

Number of Electrons
98   
20
69   
99+

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
176.00 pm   
18

Covalent Radius
Not Available   
160.00 pm   
30

Atomic Weight
251.00 amu   
17
168.93 amu   
99+

Atomic Volume
Not Available   
18.10 cm3/mol   
28

Adjacent Atomic Numbers
  
  

Previous Element
Berkelium
  
Erbium
  

Next Element
Ytterbium
  

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

Lattice Constant
338.00 pm   
99+
353.75 pm   
40

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

Lattice C/A Ratio
Not Available   
1.57   
17

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