Question

what are transition elements and actinides

Answer 1

Sometimes included in the transition metal group are the lanthanides and actinides. They are called the "inner transition metals." Electron Shells. The transition elements are unique in that they can have an incomplete inner subshell allowing valence electrons in a shell other than the outer shell.

Answer 2

Answer:

Explanation:

Sometimes included in the transition metal group are the lanthanides and actinides. They are called the "inner transition metals." Electron Shells. The transition elements are unique in that they can have an incomplete inner subshell allowing valence electrons in a shell other than the outer shell.