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Mention the merits of Newlands' law of o...

Mention the merits of Newlands' law of octaves. 

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i] The law worked well for elements with lower atomic masses.
ii] It established the existence of a relationship between the order of atomic masses and repetition of properties of elements.
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ZEN PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-ZEE ADDITIONAL QUESTIONS SECTIONS (SHORT ANSWER (SA) TYPE QUESTIONS)
  1. Why is hydrogen placed separately on the top left corner of the Modern...

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  2. Why did the law of triads fail?

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  3. Mention the merits of Newlands' law of octaves.

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  4. What were the limitations of Newlands' law of Octaves ?

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  5. Why do all elements of the same group have similar properties?

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  6. The atomic numbers of three elements A, B, and Care 12, 18, and 20 res...

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  7. Taking the example of an element of atomic number 16, explain how the ...

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  8. The electronic configuration of an element 'X' is 2, 8, 8, 2. To which...

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  9. All the members of group I are metals. Li and Na react with water rapi...

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  10. Atomic number is considered to be a more appropriate parameter than at...

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  11. How does the electronegativity changes as we move from left to right a...

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  12. How would the tendency to gain electrons change as you go from left to...

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  13. a) How does electropositivity of elements get affected as we move: (i)...

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  14. Why are metals electropositive and non-metals electronegative in natur...

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  15. Name three elements with seven valence electrons in their outermost sh...

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  16. Inert gases are placed in a separate group in the Modern Periodic Tabl...

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  17. a] What are metalloids? Write any two examples. b] Given below are s...

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  18. a] Write the trend of atomic size and metallic character along a group...

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  19. a] Name the element with atomic number 17.   b]To which period does i...

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  20. Draw a part of the long form of the periodic table showing a non-metal...

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