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An element has its electron configuratio...

An element has its electron configuration as 2,8,8,2. Now answer the following questions.
To which period does this element belong ?

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NAVNEET PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-EXERCISE
  1. An element has its electron configuration as 2,8,8,2. Now answer the f...

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  2. An element has its electron configuration as 2,8,8,2. Now answer the f...

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  3. An element has its electron configuration as 2,8,8,2. Now answer the f...

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  4. Answer the following questions: State Dobereiner's law of triads givi...

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  5. Answer the following questions: Give suitable illustration of Doberei...

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  6. Answer the following questions: Identify Dobereiner's triads from the...

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  7. Answer the following questions: In Dobereiner's triad containing Li,...

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  8. Answer the following questions: State the limitations of Dobereiner,...

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  9. Answer the following questions: state Newlands' law of octaves..

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  10. Answer the following questions: Illustrate Newlands' law of octaves ...

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  11. Answer the following questions: Explain the limitations of Newlands'...

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  12. Write a short note on: Mendeleev's periodic law

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  13. What is Mendeleev's Periodic law?

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

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

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  16. Answer the following questions: Write the molecular formulae of oxid...

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  17. Answer the following questions: Write the molecular formulae of the c...

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  18. Answer the following questions: Write a short note on : Moseley's con...

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  19. Answer the following questions: State the modern periodic law.

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  20. Answer the following questions: What is meant by modern periodic tabl...

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