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Atomic Structure of Osmium and Actinium


Atomic Structure of Actinium and Osmium


Atomic Properties

Atomic Number
76   
40
89   
29

Electron Configuration
[Xe] 4f14 5d6 6s2   
[Rn] 6d1 7s2   

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

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Actinium.jpg#100   

Atom
  
  

Number of Protons
76   
39
89   
29

Number of Neutrons
114   
25
138   
16

Number of Electrons
76   
39
89   
29

Radius of an Atom
  
  

Atomic Radius
133.80 pm   
99+
195.00 pm   
7

Van der Waals Radius
216.00 pm   
24
Not Available   

Atomic Weight
190.23 amu   
35
227.00 amu   
25

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

Adjacent Atomic Numbers
  
  

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Rhenium
  
Radium
  

Next Element
Iridium
  
Thorium
  

Valence Electron Potential
91.40 (-eV)   
12
38.60 (-eV)   
99+

Lattice Constant
273.44 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   
14
Not Available   

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