animallovermab animallovermab

03-05-2021
Mathematics

contestada

In what periods are the lanthanides and actinides? Where are they
placed in the periodic table? Why?

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mel3351 mel3351

03-05-2021

Lanthanides are in period 6 and actinides are in period 7. They are at the down part of the page so that the periodic table can fit on the page.

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marium0609 marium0609

23-07-2022

Answer: They are palced in 6th and 7th period below the periodic table due to their properties and to keep the balanced shape of periodic table.

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