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Answer the following questions: The el...

Answer the following questions:
The elements in the third period , namely, Na, Mg,Al,Si,P,S,Cl and Ar have electrons in the three shells, K,L,M . Write down the electronic configuration of these elements.

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The elements in the third period, namely, Na, Mg, AI, Si, P, S, CI and Ar have electrons in the three shells: K, L and M. Write down the electronic configuration of these elements and confirm.

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NAVNEET PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-EXERCISE
  1. Answer the following questions: Deending on electronic configuration...

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  2. On going through the Modern periodic table (fig2.1) it is seen that th...

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  3. Answer the following questions: The elements in the third period , n...

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  4. Answer the following questions: What is meant by periodic trends in ...

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  5. Answer the following questions: Wht is meant by valency?

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  6. Answer the following questions: Define atomic size . How does it var...

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  7. Answer the following questions: Discuss the trends in the variation o...

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  8. Answer the following questions: Name the elements, group , formulae ...

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  9. Answer the following questions: There are some vacant places in the ...

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  10. Answer the following questions: Due to uncertainity in the names of ...

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  11. Chlorine has two isotopes, viz. Cl-35 and Cl-37 Their atomic masses ar...

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  12. How is the problem regarding the position of cobalt("59CO) and nickel ...

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  13. Answer the following questions: How did the position of get fixed t...

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  14. Answer the following questions: Can there be an element with atomic ...

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  15. Answer the following questions: What do you think? Should hydrogen be...

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  16. Answer the following questions: The elements in the second period :Li...

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  17. Answer the following questions: The elements in the third period , n...

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  18. What is the relationship between the electronic configuration of an el...

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  19. The atomic number of beryllium is 4 while that of oxygen is 8. Write d...

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  20. What is the periodic trend in the variation of valency while going fro...

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