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What are valence shell and valence elect...

What are valence shell and valence electrons?

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valence shell is the outermost shell in an atom .The electrons present in it are called valence electrons
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DINESH PUBLICATION-STRUCTURE OF ATOM -Very Short Answer Questions
  1. The K and L shells of an atom are completely filled. Find the number o...

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  2. Who discovered protons?

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  3. What are valence shell and valence electrons?

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  4. The total number of nucleons in the atoms of clacium and argon is 40 ...

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  5. Atom of an element has one proton one electron and no neutron .Name th...

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  6. An element has 2 electrons in the M shell. What is the atomic number o...

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  7. Write the names of three elementary paritcles which constitute an atom...

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  8. Identify the most stable atom from the following .Alson given the reas...

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  9. what are the constituents of cathode rays?

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  10. What is the mass of an electron?

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  11. Do protons and electrons have same mass?

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  12. How are the radii of the nucleus and of an atom related to each other ...

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  13. What is the maximum number of electrons which can be present in M shel...

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  14. What is common in the different isotopes of an element?

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  15. what is the e/m value of an electron?

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  16. Give the electonic distribution in an elements with atomic number 15.

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  17. Three species have the same atomic number .How are they related to eac...

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  18. Do isobars have the same number of neutrons?

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  19. Define the term isotope.

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  20. What is the valency of the element neon?

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