Question

Whatare inner transition elements? Decide which of the following atomicnumbers are the atomic numbers of the inner transition elements: 29,59, 74, 95, 102, 104.

Answer 1

Innertransition metals are those elements in which the last electronenters the f-orbital.The elements in which the 4fand the 5forbitals are progressively filled are called f-blockelements. Among the given atomic numbers, the atomic numbers of theinner transition elements are 59, 95, and 102.