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Atomic Structure of Californium and Actinium


Atomic Structure of Actinium and Californium


Atomic Properties

Atomic Number
98   
20
89   
29

Electron Configuration
[Rn] 5f10 7s2   
[Rn] 6d1 7s2   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
DHCP-Crystal-Structure-of-Californium.jpg#100   
FCC-Crystal-Structure-of-Actinium.jpg#100   

Atom
  
  

Number of Protons
98   
20
89   
29

Number of Neutrons
153   
9
138   
16

Number of Electrons
98   
20
89   
29

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
195.00 pm   
7

Atomic Weight
251.00 amu   
17
227.00 amu   
25

Atomic Volume
Not Available   
22.54 cm3/mol   
11

Adjacent Atomic Numbers
  
  

Previous Element
Berkelium
  
Radium
  

Next Element
Thorium
  

Valence Electron Potential
44.50 (-eV)   
38
38.60 (-eV)   
99+

Lattice Constant
338.00 pm   
99+
567.00 pm   
8

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

Lattice C/A Ratio
Not Available   
Not Available   

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