Question

magnetic,an iron ore,is an artificial magnet.​

Answer 1

Explanation:

Can iron be magnetic?

Ferromagnetism is a phenomenon that occurs in some metals, most notably iron, cobalt and nickel, that causes the metal to become magnetic. The atoms in these metals have an unpaired electron, and when the metal is exposed to a sufficiently strong magnetic field, these electrons' spins line up parallel to each other.

Answer 2

Answer:

The formula of magnetic ore is Fe³O⁴.