We have learnt through experience that when an electrical ray strikes the surface of an atom, an electron, and in some circumstances a second and even a third electron, can be detached. Johannes Stark atomcircumstancedetach Change image and share on social
By allowing the positive ions to pass through an electric field and thus giving them a certain velocity, it is possible to distinguish them from the neutral, stationary atoms. Johannes Stark allowatomdistinguish Change image and share on social
