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Where a, b,c, d, e,f,g, h ar 3^(rd) peri...


Where `a, b,c, d, e,f,g, h` ar `3^(rd)` period elements. If difference between atomic number of elements `b` and `e` is `x` and difference between atomic number of elements `c` and `f` is `y`. What is the value of `x-y`.

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The correct Answer is:
0
a is Na, b is Mg, C is Ai, d is Si, e is P, f is S, g is CI,h is Ar.
`x = 3, y = 3`
`x - y = 0`
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RESONANCE ENGLISH-PERIODIC TABLE & PERIODICITY-Exercise
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  2. Find the total number of elements which have higher ionisation energy ...

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  4. Value of IE(1), IE(2), IE(3) of an element are 9.3, 18.2 and 553.8 eV....

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  5. Which one of the following elements has lowest ionisation energy: H,...

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  7. The electron affinity of a hypothetical element 'A' is 3eV per atom. H...

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  8. What is atomic number of element which have maximum electron affinity ...

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  9. How many of the following are more electronegativity than Boron. H, Li...

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  10. The group in the modern periode table, in which all the elements do no...

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  12. Which of the following have greater Z(eff) than Zn:

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  13. Which of the following is/are correct regarding oxidation state of ele...

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  14. Which of the following elements have +3 as most popular oxidation stat...

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  15. Which of the following compounds are found to exist (General formula o...

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  16. Which of the following show non-zero multiple oxidation state?

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  17. Which of the following pairs of elements show similar set of oxidation...

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  18. Which of the following elements have their lower oxidation state as mo...

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  19. Which is /are the correct order/s of atomic radius?

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  20. Which is/are the correct order/s of atomic radius?

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