Question

why are actinides called inner Transition Element​

Answer 1

Explanation:

because last electron goes in 4f orbiral which is inside 6s orbital hence called inner transition element

Answer 2

Answer:

Actinides called inner Transition Elements because the elements coming after actinium in the periodic table are placed in a separate row below the periodic table. Or we can say that as they are placed below the transition elements they are called inner transition elements.