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How did Thomson know that the electrons that he had discovered had a negative charge?
Wiki User
∙ 8y ago
He devised a crook's tube with a near perfect vaccum with two aluminum plates in the center of the tube. One plate served as the anode to a circuit while the other served as a cathode, effectively creating a magnetic field between then with a negative field on one side and a positve field on the other. electrons (cathode rays) were then passed through, Because electrons are negatively charged, the negatively charged anode will repel them and force them to strike the florescent screen at a lower spot than if allowed to pass through freely. When the current it reversed the electrons strike the screen at a higher point than would normally occur
Wiki User
∙ 11y ago
Wiki User
∙ 12y agoAfter years of experiments he had found out it was negative.
Wiki User
∙ 13y agoCathode rays were deflected towards a positively charged plate.
Wiki User
∙ 13y agoBy observing deflections in electric and magnetic fields.
Wiki User
∙ 8y agoThe electron beam can be deflected by an electrical field.
Wiki User
∙ 11y agoA cathode's tube
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What did Thomson call electrons?
Thomson believed about atoms, that : An atom consists of a sphere of positive charge with negatively charged electrons embedded in it. Positive and negative charges in an atom are equal in magnitude, thus an atom is electrically neutral and it has no overall + or - 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.
How is negative charge distributed in the atom according to Thomson's model?
Just as seeds in a watermelon electrons are embedded in a positive ball
What type of charge do atoms have that gain electrons?
Since electrons are negative, they get a negative charge.
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.
In Thomson's plum pudding model what do the plums represent?
The plums represent the electrons, which has a 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.
What did Thomson call electrons?
Thomson believed about atoms, that : An atom consists of a sphere of positive charge with negatively charged electrons embedded in it. Positive and negative charges in an atom are equal in magnitude, thus an atom is electrically neutral and it has no overall + or - charge.
What charge is electrons?
Electrons charge is a negative
How did Thomson demonstrate the existence ofthe electron?
Thomson discovered electrons studying cathode rays and estimating the mass and electrical charge of the component particles.
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.
What particle did J. J. Thomson discover?
according to jj thomsons model of an atom,an atom consists of a positively charged sphere with electrons in it.however,it was later found that positively charged particles reside at the center of the atom called nucleus,and the electrons revolve around the nucleus.
Why do electrons not have a charge?
They do have a charge, it's negative
How did the discovery of the nucleus change Thomson's theory?
After the discovery of the nucleus positive charge (nucleus) is completely separated from the negative charges (electrons).
How did the discovery by Rutherford change Thomson's theory?
After the discovery of the nucleus positive charge (nucleus) is completely separated from the negative charges (electrons).
How is negative charge distributed in the atom according to Thomson's model?
Just as seeds in a watermelon electrons are embedded in a positive ball
