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Answer the following questions: What i...

Answer the following questions:
What is the periodic trend in the variation of valency while going down a group? Explain your answer with refrence to the group 1, group 2 and group 18.

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NAVNEET PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-EXERCISE
  1. Answer the following questions: Considering the elements of period 3...

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  2. Answer the following questions: Considering the elements of period 3 ...

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  3. Answer the following questions: What is the periodic trend in the va...

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  4. Classify the elements of the third period into metals and non-metals.

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  5. Answer the following questions: On which side of the period are the m...

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  6. On which side of the period did you find the Non-metals?

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  7. What is the cause of non-metallic character of element?

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  8. What is the expected trend in the variation of non-metallic character ...

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  9. What would be the expected trend in the variation of non-metallic char...

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  10. Answer the following questions: Write down the electronic configurati...

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  11. Answer the following questions: Write down the electronic configurati...

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  12. Answer the following questions: Write down the electronic configurati...

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  13. Answer the following questions: Write down the electronic configurati...

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  14. Answer the following questions: Write down the electronic configurati...

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  15. Answer the following questions: Write down the electronic configurati...

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  16. Answer the following questions: Write down the electronic configurati...

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  17. Answer the following questions: Write down the electronic configurati...

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  18. Answer the following questions: The atomic number of aluminium is 13...

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  19. Answer the following questions: Observe the following diagram and ans...

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  20. Answer the following questions: Observe the following diagram and ans...

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