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Are gases like halogens,means highly electronegative gases used in cathode ray tube experiment to observe cathode rays ? As that gas is electoneegative takes electron from cathode and starts moving .

Are gases like halogens,means highly electronegative gases used in cathode ray tube experiment to observe cathode rays ? As that gas is electoneegative takes electron from cathode and starts  moving .

Grade:11

1 Answers

Vikas TU
14149 Points
7 years ago
No,
Cathode rays are the beam of fast electrons which are emitted by the cathode in a vacuumn tube.
And in this way the elctrons were discovered by JJ Thomspon.
The gas was residual U can assume  natural air (O2) that was fully ioniszed b/w the cathide and anode.

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