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The details about three atoms X,Y and Z ...

The details about three atoms X,Y and Z are given. Given information about their atomic number mass number and valency?

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DINESH PUBLICATION-STRUCTURE OF ATOM -Short Answer Question
  1. Name the elements which have the following electronic configuration: ...

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  2. Give three points of distinaction between isotopes and isobars.

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  3. The details about three atoms X,Y and Z are given. Given information a...

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  4. Why do helium, neon and argon have a zero valency?

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  5. Give the electronic distribution in magnesium atom and magnesium ion h...

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  6. If 'K' and 'L' shells of an atom are completely filled then what would...

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  7. For chlorine Z=17,A =35.Give the number of protons ,electrons and neut...

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  8. List three observations of the experiment performed by Rutherford for...

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  9. Hydrogne has three isotopes which are wirtenas: overset(1)underset(1...

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  10. In the following table the mass number and the atomic number of certai...

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  12. There are two elemetns overset(26)underset(13)A and overset(26)underse...

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  13. Which of the following are isotopes and which are isobars ? Argon, D...

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  14. (a) Explain Bohr and Bury rules for distrubution of electrons into dif...

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  15. The atomic number and mass number of an element are 16 and 32 respecti...

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  16. You are given a n element overset(16)underset(8)X. Find out (a) Num...

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  17. Define the terms (a) isotope,(b) isobar giving one example in each cas...

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  18. (a) What are canal rays? Who discovered them? What is the charge and m...

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  19. certain particle x has 17 protons 17 electrons and 18 neutrons (i) W...

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  20. (a) The element helium has 2 electrons in its valence shell but its va...

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