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The family of non-metals having valency ...

The family of non-metals having valency one .

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NAVNEET PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-EXERCISE
  1. Write the names from the description: The period with electrons in t...

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  2. Write the names from the description: The group with valency zero.

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  3. The family of non-metals having valency one .

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  4. The family of metals having valency two

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  5. The metalloids in the second and third periods

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  6. The family of metals having valency one .

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  7. Non-metals in the third period .

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  8. Two elements having valency 4.

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

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

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

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  12. Three elements with filled outermost shell

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  13. Three elements having 7 electrons in their outermost shell

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

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

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

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

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

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

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

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