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Home» class 9»Science» Chapter 4: Structure of the Atom

For the following statements, write T for True and F for False... - Science

Question

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 \frac{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 (\checkmark) against correct choice and cross (\times) against wrong choice in questions 15, 16 and 17

 

 

Answer

(a) F (False)
(b) F (False)
(c) T (True)
(d) F (False)