Question

in periodic table the number of lathanoids and actinoids is 14-14 why ?​

Answer 1

Answer:

There are 14 lanthanides and actinides because the differentiating electron enters (n – 2)f subshell. Here the maximum capacity of f sunshell is 14 electrons. Therefore, there are only 14 lanthanides and 14 actinides.

Explanation:

There are 14 lanthanides and actinides because the differentiating electron enters (n – 2)f subshell. Here the maximum capacity of f sunshell is 14 electrons. Therefore, there are only 14 lanthanides and 14 actinides.

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Answer 2

In Lanthanides differentiating electrons are filled in 4f orbitals, In Actinides differentiating electrons enters in 5f orbitals. The maximum capacity of f-orbital is 14 hence both Lanthanides and Actinides are 14 in numbers