Question

what term did goldstein give to the positive stream that he discovered in the cathode ray tube? proton ray canal ray electron ray cathode ray

Explanation:

In 1886, Eugen Goldstein discovered rays in the cathode ray tube moving in the direction opposite to the cathode rays. These rays were named canal rays. Proton ray is not the term he used. Electron ray is related to cathode rays (which are negatively - charged electrons). Cathode ray is the negative stream, not the positive one.

Answer:

canal ray