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What is Mendeleev's Periodic law?...

What is Mendeleev's Periodic law?

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State the law: Mendeleev's Periodic law.

Write a short note on: Mendeleev's periodic law

State the laws/ Define Mendeleev's periodic law,

What is the difference between Mendeleev's periodic law and modern periodic law?

What is the basic difference in approach between Mendeleev's Periodic Law and the Modern Periodic Law?

What are the demerits of Mendeleev's periodic table?

State whether the following statement is True' or False'. If false, write the correct statement for the same. According to Mendeleev's periodic law,the properties of elements are periodic function of their atomic numbers

Chlorine has two isotopes, viz. Cl-35 and Cl-37 Their atomic masses are 35 and 37. Their chemical properties are same. Where should these be placed in Mendeleev's periodic table? In different places or in the same place?

Answer the following questions: Write the molecular formulae of oxides of the following elements by referring to the Mendeleev's Periodic table. Na, Si, C Rb ,P ,Ba, Cl,Sn .

Answer the following questions: Write the molecular formulae of the compounds of the following elements with hydrogen by referring to the Mendeleev's Periodic table.C,S,Br,AS,F,O,N, Cl.

CHETANA PUBLICATION-Periodic Classifications of ELements-EXAMPLE
  1. How many elements were known when Mendeleev started his work?

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  2. What is meant by periodicity according to Mendeleev?

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  3. What is Mendeleev's Periodic law?

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  4. State the law on which modern periodic table is based

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  5. How many groups are there in the modern periodic table?

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  6. What is the number of valence electrons in an element of group 1 and g...

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  7. What is the trend in the variation of valency while going down a group...

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  8. Which pair of elements do you think will have similar properties? : So...

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  9. State the merits of Mendeleev's periodic table.

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  10. What are the demerits of Mendeleev's periodic table?

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  11. Merits of Modern periodic table over Mendeleev's periodic table

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  12. What is the relationship between the electronic configuration of an el...

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  13. The atomic number of beryllium is 4 while that of oxygen is 8.Write do...

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  14. Write the electronic configuration and valency of first 20 elements.

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  15. What is the periodic trend in the variation of valency while going fro...

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  16. What is the periodic trend in the variation of valency while going dow...

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  17. Comparative study of all the four-blocks of Modern periodic table

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  18. How could the modern periodic Table remove various anomallies of Mendl...

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  19. Answer the equation based on the given data To which group do the el...

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  20. Answer the equation based on the given data Arrange the above eleme...

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