b6reameshajessl b6reameshajessl

24-12-2015
Chemistry

Answered

In the late 1800s, experiments using cathode ray tubes led to the discovery of the

(1) electron (3) positron

(2) neutron (4) proton

Verified Answer :

24-12-2015

J.J. Thomson discovered the negatively charge of electron so the answer is (1) electron :)))
i hope this be helpful
merry Christmas

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26-12-2015

The answer is (1) electron, by J. J. Thomson.

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