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Answer the following questions: Can th...

Answer the following questions:
Can there be an element with atomic mass 53 or 54 in between the two elements chromium and magnese ?

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Can there be an element with atomic mas 53 or 54 in between the two elements ,Chromium frac(52)((24)Cr and Mangense frac(55)(25) Mn?

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NAVNEET PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-EXERCISE
  1. How is the problem regarding the position of cobalt("59CO) and nickel ...

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  2. Answer the following questions: How did the position of get fixed t...

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  3. Answer the following questions: Can there be an element with atomic ...

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  4. Answer the following questions: What do you think? Should hydrogen be...

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  5. Answer the following questions: The elements in the second period :Li...

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  6. Answer the following questions: The elements in the third period , n...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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