Question

which is classified as an inner transition element?calciumcopperfermiumhelium

Explanation:

Inner transition elements are the f-block elements, which include lanthanides and actinides. Calcium is an alkaline earth metal (s-block), copper is a transition metal (d-block), helium is a noble gas (p-block). Fermium (Fm) is an actinide, part of the inner transition elements.

Answer:

fermium