Explain the electroplating of copper plate and iron spoon that use copper (II) sulphate ?​

Why are gamma rays not affected by a magnet as they pass over it? gamma rays are composed of only energy. gamma rays do not have enough mass to be affected. gamma rays do not have the right electrical charge to be affected. gamma rays move too fast for anything to affect their pathway.

When a scientific theory has been tested and proved by the scientific community, it becomes a law

One similarity and one difference between an element and a mixture of elements