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The cathode "ray' must have been made up of negatively charged particles, now called electrons.

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What following piece of equipment was used by jj Thomson to find electrons?

J.J. Thomson used a cathode ray tube to discover electrons. By passing an electric current through the tube, he observed the deflection of a beam of electrons, which led to his conclusion about the existence of electrons.


How did the cathode's tube experiment lead to the conclusion that atoms contain electrons?

because Thomson saw the ray move from the cathode to the anode so the particles have negatively charge


What observation did Thomson make to suggest that an electron has a negative electric charge?

The deflection of cathodic rays was the source of inspiration for Thomson.


Who performed an experiment with cathode ray tubes?

J. J. ThomsonJ. J. Thomson did the cathode ray experiment where he discovered the existence of electrons.


How did the discovery of electrons shows that there are also positively charged parts of the atom?

The discovery of electrons by J.J. Thomson provided evidence for the existence of positively charged particles in the atom because atoms were found to be electrically neutral overall. Thomson's experiments with cathode rays showed that electrons carried a negative charge, leading to the conclusion that there must be positively charged particles in the atom to balance the negative charge of the electrons.


Who did the cathode ray tube?

J J Thomson


Which scientist did experiments involing a form of cathode ray tube?

J.J. Thomson used cathode ray tubes to prove the existence of electrons.


What observations did Thomson make to suggest that an electron has negative electric charge?

Thomson observed that a cathode ray bent when in the presence of a magnetic field. After the cathode ray bent the opposite way when the opposite pole of the magnet was placed next to it, Thomson concluded that the cathode ray had a negative charge.


How are cathode rays originated?

its negatively charged particles of matter,Thomson knew that opposites attract but these the positive charged anode,so he reasoned that the paticles must be negatively charged! : )! Wooooo! Go J.J Thomson


Is a cathode positive or negative?

A cathode is negative. It attracts cations, which are positively charged.


Which scientist did experiments involving a form of cathode ray tube?

It was the investigator J. J. Thomson who did experiments with an early cathode ray tube. You'll find a link below.


What did J. J. Thomson experiment with?

J. J. Thomson experimented with cathode rays and discovered the electron, leading to the development of the plum pudding model of the atom.