All atoms of a specific element have the same number of a. ions b. neutrons c. protons d. electrons

protons, the electrons and neutrons change but NEVER the protons.

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

i believe the answer is a hope it and is correct