Question

Which one of the following substances is the magnetic substance?

a) Mercury b) Iron c) Gold d) Silver​

Answer 1

Answer:

Among the options iron is the magnetic substances. it is actually ferromagnetic material.

Answer 2

Answer:

opt B: Iron

Electrons have magnetic moment, so they interact with magnets. However in most solids the electrons tend to line up in pairs so their magnetic moments cancel out. This means the solid has no net magnetic moment and doesn't interact strongly with magnets. However, in a small number of solids the outermost electrons of the atoms line up parallel with each other and their magnetic moments reinforce each other to give the solid a large net magnetic moment. These solids interact strongly with magnets, and are called ferromagnetic.Only solids having unpaired electrons can be ferromagnetic, for example iron.

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