J.J. Thomson proposed that the nucleus of an atom contains only neutrons. True or False.

True

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False

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Solution

The correct option is B
False

J. J. Thomson, who discovered the electron in 1897, proposed the plum pudding model of the atom in 1904 before the discovery of the atomic nucleus in order to include the electron in the atomic model. In Thomson's model, the atom is composed of electrons (which Thomson still called "corpuscles," though G. J.

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Similar questions

Q. Thomson proposed that the nucleus of an atom contains protons and neutrons.

State whether True or False.

(a) J.J. Thomson proposed that the nucleus of an atom contains only nucleons.
(b) A neutron is formed by an electron and a proton combining. Therefore, it is neutral.
(c) The mass of an electron is about

\frac{1}{2000}

times that of a proton.

State whether the following statements are true or false:
(a) Thomson proposed that the nucleus of an atom contains protons and neutrons.
(b) The cathode rays obtained from all the gases consist of negetively charged particles called electrons.
(c) The anode rays obtained from all the gases consist of positively charged particles called protons.

For the following statements, write T for ‘True’ and F for ‘False’.

(a) J.J. Thomson proposed that the nucleus of an atom contains only nucleons.

(b) A neutron is formed by an electron and a proton combining together. Therefore, it is neutral.

(d) An isotope of iodine is used for making tincture iodine, which is used as a medicine.

Q. For the following statements, write T for True and F for False.
J.J. Thomson proposed that the nucleus of an atom contains only nucleons.

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