Q. 14.     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.

               (c) The mass of an electron is about 1 2000 times that of proton.

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

               Put tick  against correct choice and cross (×) against wrong choice in questions 15, 16 and 17

Answers (1)

(a) The statement is False.
(b) The statement is False.
(c) The statement is True.
(d) The statement is True.

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