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Name the scientists who described the ar...

Name the scientists who described the arrangement of electrons in an atom.

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LAKHMIR SINGH & MANJIT KAUR-STRUCTURE OF ATOM-Exercise
  1. Which subatomic particle is not present in an ordinary hydrogen atom ?

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  2. Name the scientists who described the arrangement of electrons in an a...

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  3. What is the maximum number of electrons which can be accomodated in th...

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  4. What is the maximum number of electrons which can be accomodated in th...

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  5. What is the maximum number of electrons an M shell of an atom can acco...

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  6. What is the maximum number of electrons that can go into the N shell o...

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  7. What is the maximum number of electrons which can be accomodated in th...

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  8. Name the three sub-atomic particles of an atom.

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  9. Name the negatively charged particles present in the atoms of all the ...

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  10. Who discovered electron?

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  11. What is the usual symbol for (a) an electron (b) a proton, and (c) a ...

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  12. Name the central part of an atom where protons and neutrons are held t...

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  13. What are the various letters used by Bohr to represent electron shells...

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  14. Name the particles which actually determine the mass of an atom.

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  15. Name the positively charged particle present in the atoms of all the e...

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  16. What is the electronic configuration of a hydrogen atom ?

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  17. How many times is a proton heavier than an electron ?

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  18. Name the gas which produces anode rays consisting of protons in the di...

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  19. Which part of an atom was discovered by Rutherford's alpha particle sc...

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  20. What is the positive charge on the nucleus of an atom due to ?

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