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The mass of an electron is about (1)/(20...

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

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

The mass of an electron is (1)/(1838) times that of a proton .

An electron and a proton are circulating with same speed in circular paths of equal radius. Which one among the following will happen, if the mass of a proton is about 2,000 times that of an electron?

An electron accelerated under a potential difference of V volt has a certain wavelength lamda It is known that the mass of a proton is about 1800 times the mass of an electron . If a proton has to have the same wavelength lamda , then it will have to be accelerated under the potential difference of

Determine the de Broglie wavelength of a proton, whose kinetice energy is equal to the rest of the mass energy of an electron. Given that the mass of an electron is 9xx10^(-31) kg and the mass of a proton is 1837 times as that of the electron.

The mass of half mole of electrons is about (Given: Mass of electron =9.1 xx10^(-28) g)

S CHAND IIT JEE FOUNDATION-ATOMIC STRUCTURE-QUESTION BANK-20
  1. J.J. Thomson proposed that the nucleus of an atom contains only nucleu...

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  2. A neutron is formed by an electron and a proton combining together. Th...

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

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  4. The statements below are false. For each statement, replace the underl...

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  5. The statements below are false. For each statement, replace the underl...

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  6. The statements below are false. For each statement, replace the underl...

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  7. The statements below are false. For each statement, replace the underl...

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  8. The statements below are false. For each statement, replace the underl...

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  9. Which diagram represents,isotopes of the same element?

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  10. What is the atomic number for A?

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  11. What is the mass number for B?

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  12. Classify the following elements as metals, non metals and inert gases ...

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  13. Use the following terms in the same sentence proton, neutron, and isot...

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  14. Complete each of the following sentences An atom's is equal to t...

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  15. Complete each of the following sentences by choosing the correct term ...

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  16. Match the entries in column A with the appropriate ones in column B.

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  17. All matter is made up of atoms. Which sentence correctly describes ato...

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  18. What are the negatively charged particle inside an atom called? Use...

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  19. The black circles in the model represent neutrons. What do the white c...

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  20. The atomic number of an element is determined by

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