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Newland's law of octaves states that...

Newland's law of octaves states that

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New land.s law of octaves state that properties of every eighth element is the repetition of the property of the starting element when elements are arranged in order of increasing atomic masses.
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Newland's law of octave applies to which of the following set elements ?

For which elements, Newlands' law of octaves is not applicable?

Newland law of octave arranged elements in increasing order of ............... (atomic masses/ atomic number).

(a) List two limitations of Newlands' Law of Octaves. (b) Write the electronic configuration of two elements A and B whose atomic numbers are 20 and 17 respectively. Write the molecular formula of the compound formed when element A reacts with element B. State whether this compound is acidic, basic or neutral. Give reason to justify your answer.

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Hess's law states that

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Upto which element, the law of octaves was found to be applicable ?

Gauss’s law states that

ICSE-THE PERIODIC TABLE -TOPIC 1 Modern Periodic Table and its Periodicity (3 Marks Questions )
  1. How does number of Valence electrons on moving from left to right In...

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  2. How does number of valency vary on moving from left to right In the ...

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  3. What is meant by a group in the periodic table?

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  4. Explain why the elements of the same group exhibit the same chemical b...

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  5. In which Group the inert gases are placed in the periodic table ?

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  6. A part of the periodic table is shown below with one element missing :...

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  7. A part of the periodic table is shown below with one element missing :...

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  8. A part of the periodic table is shown below with one element missing :...

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  9. Name the element whose properties can be predicted on the basis of its...

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  10. (a) What was the basis of Mendeleev's Classification of elements ? (...

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  11. Predict the formula of hydrides of carbon and silicon using Mendeleev'...

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  12. Write three similarities between hydrogen & alkali metals.

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  13. In the table given below, fill the vacant places. {:("Elements","Hy...

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  14. The elements given below are arranged in order of increasing atomic ma...

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  15. The elements given below are arranged in order of increasing atomic ma...

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  16. What is the total no. of elements in shortest period of modern periodi...

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  17. What is the number of elements in: 1. 1^(st) period and 2. 2^(nd)...

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  18. Three elements of Dobereiner.s triad are X, Y & Z. If the atomic mass ...

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  19. Who proposed that atomic number is the fundamental property of an elem...

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  20. Newland's law of octaves states that

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