Chemistry, asked by Samiksha22, 1 year ago

What are lathanides and actinides?

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Answered by Fuschia
7
The 14 elements after the element 'Lanthanum' which show similar properties as Lanthanum are called lanthanides
All the elements from atomic number 58 - 71 are lanthanides

The 14 elements after the element 'Actinum' which show similar properties as Actinum are called actinides.
All the elements from atomic number 90-103 are actinides.

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Answered by saka82411
1
Lanthanide is a series containing 15 elements.

Lanthanum and the following 14 elements are collectively known as lanthanide series....


Actinde:-

The element actinum and the following 14 elements are known as avtinide series...

Here all the elements are radioactive....

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