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Atomic Structure of Ruthenium and Actinium


Atomic Structure of Actinium and Ruthenium


Atomic Properties

Atomic Number
44   
99+
89   
29

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

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

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

Atom
  
  

Number of Protons
44   
99+
89   
29

Number of Neutrons
57   
99+
138   
16

Number of Electrons
44   
99+
89   
29

Radius of an Atom
  
  

Atomic Radius
134.00 pm   
99+
195.00 pm   
7

Covalent Radius
146.00 pm   
38
Not Available   

Van der Waals Radius
200.00 pm   
28
Not Available   

Atomic Weight
101.07 amu   
99+
227.00 amu   
25

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

Adjacent Atomic Numbers
  
  

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Radium
  

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Rhodium
  
Thorium
  

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

Lattice Constant
270.59 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
1.58   
11
Not Available   

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