1.

Describe the important properties of actinoids.

Answer»

Properties of actinoids :

  • Actinoids are silvery white (similar to lanthanoids). 
  • They are highly reactive radioactive elements. 
  • Most of these elements are not found in nature. They are radioactive and man made. 
  • They experience decrease in the atomic and ionic radii from Ac to Lw, known as actinoid contraction. 
  • The common oxidation state is +3. Elements of the first half of the series exhibit higher oxidation states. 


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