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Atomic Structure of Actinium and Ruthenium


Atomic Structure of Ruthenium and Actinium


Atomic Properties

Atomic Number
89   
29
44   
99+

Electron Configuration
[Rn] 6d1 7s2   
[Kr] 4d7 5s1   

Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
FCC-Crystal-Structure-of-Actinium.jpg#100   
rystal-Structure-of-Ruthenium.jpg#100   

Atom
  
  

Number of Protons
89   
29
44   
99+

Number of Neutrons
138   
16
57   
99+

Number of Electrons
89   
29
44   
99+

Radius of an Atom
  
  

Atomic Radius
195.00 pm   
7
134.00 pm   
99+

Covalent Radius
Not Available   
146.00 pm   
38

Van der Waals Radius
Not Available   
200.00 pm   
28

Atomic Weight
227.00 amu   
25
101.07 amu   
99+

Atomic Volume
22.54 cm3/mol   
11
8.30 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Radium
  
Technetium
  

Next Element
Thorium
  
Rhodium
  

Valence Electron Potential
38.60 (-eV)   
99+
64.00 (-eV)   
22

Lattice Constant
567.00 pm   
8
270.59 pm   
99+

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

Lattice C/A Ratio
Not Available   
1.58   
11

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