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Name the following: Horizontal rows in ...

Name the following:
Horizontal rows in modern periodic table.

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NAVNEET PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-EXERCISE
  1. Two elements having valency 4.

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  2. Write the names from the description: First three noble gases.

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  3. Name the following: Horizontal rows in modern periodic table.

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  4. Name the following: Two elements having a single electron in their out...

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  5. Three elements with filled outermost shell

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  6. Three elements having 7 electrons in their outermost shell

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  7. Name the following: An alkali metal in the period 2.

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  8. Name the following: An alkaline earth metal in the period 3.

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  9. Name the following: Halogen in the period 3. .

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  10. Name the following: Three nonmetallic elements in the period 2.

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  11. Name the following: The element with electronic configuration (2,7).

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  12. Name the following: The elements in periods 2 and 3 having stable ele...

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  13. Name the following: The three metals in the third period of the moder...

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  14. Name the following: The names of blocks in modern periodic table.

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  15. The atom having the smallest size.

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  16. The atom having the smallest atomic mass .

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  17. The most electronegative atom

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  18. The noble gas with the smallest atomic radius

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  19. The most reactive nonmetal

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  20. An element has its electron configuration as 2,8,2. Answer the followi...

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