Magnesium and iron are metallic elements. How does a mole of magnesium compare with a mole of iron?Which value gives the number of particles in 1 mol of a substance?

This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

What is the main reason why some developing countries fear the increase the free trade policies around the world?