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What are the basis of classification of elements in the modern periodic table?

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V PUBLICATION-PERIODIC TABLE-QUESTION BANK
  1. Bohr's model of atom of an element is given below. a) To which perio...

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  2. In an atom of the element X there are three shells and 2 electrons are...

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  3. Three atoms are given: underset(11)\Na, underset(15)\P, underset(17)...

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  4. Electronic configuration of elements A, B, C, and D are given. (Symbol...

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  5. Magnesium and chlorine are two elements in the third period in the per...

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  6. The position of the element A, B and C in the periodic table are given...

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  7. Complete the table.

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  8. a) How do second group elements in the periodic table differ from 17th...

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  9. A portion of the periodic table is given below (Hint: The atomic num...

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  10. A part of the periodic table is given: a) Write down the electronic ...

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  11. What are the basis of classification of elements in the modern periodi...

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  12. To which period does actinoides belong?

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  13. Which elements among the follwing is a metalloid? ( S, Si, Ca, P)

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  14. Element 'A' belongs to third period of the periodic table.This is a no...

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  15. Identify the wrong and correct statements accordingly: i) As the siz...

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  16. Electronic configuration of an atom of an element is 2,8,8 , 2. a) ...

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  17. The element A belongs to second period, 17th group and B belongs to se...

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  18. Lanthanoids and actinoides are given in separate position in the perio...

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  19. A portion belonging to the same period of modern periodic table is giv...

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  20. Sodium and sulphur are two elements in the third period in the periodi...

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