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The basis for the classification of ele...

The basis for the classification of elements in the modern periodic table is

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Physical and chemical properties of the elements are periodic function of their atomic numbers.
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PRADEEP-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -Additional Question (very short answer question )
  1. Which one of the following elements posed a challenge to Newlands ...

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  2. Which important property did Mendeleev use to classify the eleme...

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  3. The basis for the classification of elements in the modern periodic t...

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  4. State the modern periodic law.

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  5. What are horizontal rows and vertical columns of the periodic tabl...

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  6. Which two elements of the following belong to the same period ? A1...

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  7. What is the IUPAC name official name and symbol of the element ...

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  8. What are super heavy elements?

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  9. What are the atomic number of the elements which constitute f- b...

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  10. Lanthanoids and actinoids are placed in separate rows at the botto...

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  11. Why Ar (argon) (at, wt. = 39.94) has been placed before K (at. Wt. = 3...

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  12. In terms of electronic configuration, what the elements of a given per...

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  13. Name the groups of elements classified as s- ,p - and d- blocks.

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  14. To Which block (s,p , d or f ) does the element with atomic numbe...

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  15. Which among the following is a transition element?

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  16. Which has a larger radius : (i) Mg or Ca (ii) S or Si

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  17. Compare the size of (a) Na atom with Na^(+) ion (b) Cl atom with C...

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  18. Give four examples of species which are isoelectronic with Ca^(2+...

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  19. Arrange the following ions in order of decreasing ionic radii : ...

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  20. A1 atom loses electrons successively to form A1^(+) ,A1^(2+) and A...

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