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Write the name and atomic number of each...

Write the name and atomic number of each of the following (a) third alkali metal, (b) second transition element, (c) fourth inert gas, (d) fourth element of second period.

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(a) `K-19,`
(b) Ti-22,
(c) Kr-36,
(d) C-6.
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CHHAYA PUBLICATION-CLASSIFICATION OF ELEMENTS & PERIODICITY IN PROPERTIES-SHORT-TYPE QUESTIONS
  1. O^(2-) and F^(-) are isoelectronic. Justify whether the atomic radii o...

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  2. Write the electronic configuration of the following- (a) inert gas (b)...

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  3. Write the name and atomic number of each of the following (a) third al...

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  4. The decrease in atomic size of the transition elements is comparativel...

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  5. What is screening effect? What is the order of screening effect of the...

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  6. How is atomic or ionic radius of an element related to the quantity (z...

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  7. How do the metallic and non-metallic characters vary along the group a...

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  8. Mention the factors on which the ionisation potential depends.

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  9. Which out of magnesium and aluminium has greater ionisation potential ...

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  10. Give the definition of electron affinity and electronegativity. Write ...

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  11. Electron affinity of inert elements are positive-why?

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  12. B(2)O(3) is acidic in nature but BeO is amphoteric-why?

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  13. What do you mean by electronegativity of an element? Discuss its varia...

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  14. What do you mean by diagonal relationship?

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  15. The first ionisation potential of carbon is more than that of boron wh...

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  16. Transition elements exhibit variable valency-explain.

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  17. Which out of Na^(+) and Ne has higher ionisation potential?Explain wit...

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  18. What are the factors on which electron affinity of an element depends?

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  19. What is the difference between ionisation potential and electron affin...

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  20. The electronegativity of nitrogen in Pauling's scale is 3. is the valu...

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