Question

elcotorn change jj Thomson

Answer 1

Explanation:

J. J. Thomson - Wikipedia

Jump to Discovery of the electron · Thomson could trace the path of the ray by observing the phosphorescent patch it created where it hit the surface of the tube. Thomson observed that the electrometer registered a charge only when he deflected the cathode ray to it with a magnet. He concluded that the negative charge and the rays were one and the same.

Answer 2

Explanation:

you mean charge of electron

they answer is .

$- 1.6 \times {10}^{ - 19 }$