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In the table given below, six elements a...

In the table given below, six elements are shown with their atomic numbers given in parenthesis.

Number of valence electrons in atom A.

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ICSE-THE PERIODIC TABLE -TOPIC 2 Studying Individual Groups (5 Marks Questions)
  1. (a)Name the first three alkaline earth metals. (b) Write their react...

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  2. The table given below shows the position of element U, V, X, Y and Z ...

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  3. The table given below shows the position of element U, V, X, Y and Z ...

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  4. In the table given below, six elements are shown with their atomic nu...

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  5. In the table given below, six elements are shown with their atomic nu...

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  6. In the table given below, six elements are shown with their atomic nu...

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  7. In the table given below, six elements are shown with their atomic nu...

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  8. In the table given below, six elements are shown with their atomic nu...

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  9. Complete the following table :

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  10. An element with atomic number 5 belongs to III A group of the modern p...

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  11. An element with atomic number 5 belongs to III A group of the modern p...

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  12. An element with atomic number 5 belongs to III A group of the modern p...

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  13. An element with atomic number 5 belongs to III A group of the modern p...

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  14. An element with atomic number 5 belongs to III A group of the modern p...

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  15. An element with atomic number 5 belongs to III A group of the modern p...

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  16. From the standpoint of atomic structure, what determines which element...

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  17. How does valency and valence electrons vary on moving from left to rig...

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  18. Name the following: An alkaline earth metal in period 3 of the per...

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  19. The elements of the third period of the Periodic Table are given below...

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  20. Metalloid in 3rd period.

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