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State Modern periodic law....

State Modern periodic law.

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State the modern periodic law.

(a) state the modern periodic law. (b) Describe in brief the main features of the long form of the periodic table.

What is the basic difference in approach between the Mendellev's peridic law and the Modern periodic law?

Why is the atomic number the basis of the modern periodic law ?

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

NARAYNA-CLASSIFICATION OF ELEMENTS AND PERIODICITY -CHECK YOUR GRASP
  1. The discovery of which of the following group of elements gave a death...

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  2. Introduction | Development of Periodic Table

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  3. The places that were left empty by Mendeleev were for:

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  4. State Modern periodic law.

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  5. The electronic configuration of an element is 2, 8, 5. To which group ...

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  6. Which one among the following ions, is smallest in size

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  7. In the ions P^(3-),S^(2-) and Cl, the increasing order of size is:

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  8. Out of I and I^(+) which has larger size and why ?

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  9. Which element has highest first ionization energy?

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  10. Among the following elements, which one has the highest ionization ene...

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  11. Out of Na and Mg which has higher second ionisation energy?

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  12. Why do halogens have maximum negative electron gain enthalpy in the re...

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  13. S has more negative electron gain enthalpy than O why ?

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  14. Assertion : Noble gases have highest ionisation enthalpies in their re...

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  15. The element with highest electronegativity is

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  16. On going from right to left in a period in the periodic table the elec...

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  17. Define electronegativity. How does it differ from electron gain enthal...

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  18. (a) Define valency of an element. What valency will be shown by an ele...

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  19. What is valency of 'Li' w.r.t. H ?

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  20. What is valency of 'C' w.r.t. Cl ?

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