In the electrolysis of aluminium ore, what is the positive ion made of? Give the name, not the symbol.

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Which element is the least metallic between cadmium, silver, zinc, or iron?

Ineed ! i have no clue how to do this problem.