Question

which elements are called inner transmission elements? why they are named so?

Answer 1

Lanthanides and actinides are called inner transition elements because they are a group of elements that are shown as the bottom two rows of the periodic table.

Answer 2

Hey There! The f block elements from numbers 57 to 70 and 89 to 102  are called the inner transition elements because of their placement in the periodic table due to their electron configurations. Elements in which outer most shell,penultimate shell and anti penultimate shell are incompletely filled are called Inner trasition elements.

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