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Write down the electronic configuration ...

Write down the electronic configuration of elements with atomic numbers 2,14,17,19 indicate the group of the periodic tabe to which they belong?

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MBD-PERIODIC CLASSIFICATION OF ELKHOENTS-EXAMPLE
  1. Define atomic radius, give its units.

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  2. How does atomic radius vary down a group and along a period?

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  3. Write down the electronic configuration of elements with atomic number...

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  4. Locate the following group in the table:alkali metals

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  5. Locate the following group in the table: halogens

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  6. Locate the following group in the table: alkaline earth metals

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  7. Locate the following group in the table: noble gases.

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  8. What properties do the elements in the same vertical column of the per...

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  9. Wrtie the chemical electronic configuration of nitrogen(N=7) and phosp...

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  10. Name the members of the alkaline earth family

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  11. To which group and period do they belong: sodium and calcium

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  12. Which member is the least reactive in nature?

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  13. Why are the members of group 1 called alkali metals?

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  14. An atom has electronic configuration 2,8,7. What is the atomic number ...

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  15. An atom has electronic configuration 2,8,7. To which of the following...

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  16. What physical and chemical properties of elements were used by mendele...

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  17. What are amphoteric oxides? give two examples of amphoteric oxides?

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  18. Why is it that non-metals do not displace hydrogen from dilute acids?

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  19. What are noble gas elements ? Why are they so called?

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  20. How is metallic character of an element defined? How does the melallic...

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