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J.J Thompson in 1897 demonstrated that cathode rays are composed of tiny, negatively charged subatomic particles called electrons.

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14y ago
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14y ago

They are. They were not invented.

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Q: Who discovered negative charge?
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Related questions

What charge does the subatomic partomic particle the Thompson discovered have?

negative charge


Who discovered anode and cathode rays?

Cathode rays were discovered by JJ Thomson and carry a negative charge Anode rays were discovered by Goldstein and carry a positive charge.


How many types of charge have been discovered?

There are two types of the electrostatic charges that have been discovered. The positive and the negative charge. There is also the neutral charges.


What is the charge of anion?

A cation has a positive charge and an anion has a negative charge.


How many types of electrostatic charges have been discovered?

There are two types of the electrostatic charges that have been discovered. The positive and the negative charge. There is also the neutral charges.


What charge is a negative?

A charge which is not a positive charge is a negative charge.


When did JJ Thomson discover the electron?

J. J. Thomson discovered the electron (particle carrying negative charge) in 1897.


What did Robert milikan contribute in science?

he discovered the the electron has a negative charge through an experiment called the oil-drop experiment


What is the negative charge in atoms?

Electrons have an electrical negative charge.


What charge electron charge positive or negative?

Electrons carry a negative charge to balance out the positive charge of the proton.


What charge is electrons?

Electrons charge is a negative


The subatomic particle that J J Thomson discovered has an?

He discovered the electron which has a negative charge of 1.602 x 10-19 coulombs and a mass of 9.1 x 10-31 kg.