For the following statements, write T for True and F for False. (i) J.J. Thomson proposed that the nucleus of an atom contains only nucleons. (ii) A neutron is formed by an electron and a proton combining together. Therefore, it is neutral. (iii) The mass of an electron is about 1/2000 times that of proton. (iv) An isotope of iodine is used for making tincture iodine, which is used as a medicine.

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

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

(iii) The mass of an electron is about 1/2000 times that of proton. (T)

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

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  1. Thanks. It Helped a Lot.

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