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State the modern periodic law....

State the modern periodic law.

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Modern periodic law states that physical and chemical properties of the element s are a periodic function of their atomic numbers.
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State Modern periodic law.

As per the modern periodic law the physical and chemical properties function of their

(a) The modern periodic table has been evolved through the early attempts of Dobereiner, Newland and Mendeleev. List one advantage and one limitation of all the three attempts. (b) Name the scientist who first of all showed that atomic number of an element is a more fundamental property than its atomic mass. State Modern periodic law.

In the modern periodic table, the elements are arranged in the increasing order of their atomic number. This arrangement is based on the modern periodic law, which states that the properties of elements are a periodic function of their atomic numbers. In the modern periodic table, each column is called a group and each row is called a period. Elements within the same group show similarity and gradation in properties. This is due to the same number of electroms in the outermost shell . Based on the above paragraph, answer the following question: How many groups are there in the modern periodic table?

PRADEEP-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -Additional Question (very short answer question )
  1. Which important property did Mendeleev use to classify the eleme...

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

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  3. State the modern periodic law.

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

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

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

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  7. What are super heavy elements?

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

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

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

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

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

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

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  14. Which among the following is a transition element?

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

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

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

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

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

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  20. Which one among the following elements has the lowest first ion...

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