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What is modern periodic law? Mention the...

What is modern periodic law? Mention the important features of the long form of the periodic table. Why is this periodic table supposed to be superior to other periodic tables ?

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a. It relates position of periodic table with electronic configuration.
b. It reduces study of `114` elements into `18` groups and `7` periods.
c. It helps in discovery of new elements.
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CENGAGE CHEMISTRY ENGLISH-APPENDIX - INORGANIC VOLUME 1-Exercise Short
  1. a. Among Cu^(o+),Cu^(2+) and Cu which is the largest in size and why? ...

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  2. Give two characteristics of p-block elements.

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  3. What is modern periodic law? Mention the important features of the lon...

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  4. Elements A and B have atomic numbers 11and 24 respectively. Write the...

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  5. How do melting and boiling points vary in a (a) period and (b) group i...

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  6. a. Name the most metallic element in second period and most non-metall...

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  7. How does electronegativity vary down the group 17 and why? How does it...

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  8. Among the elements of second period pick out the element with the l...

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  9. Why CaCl(2) and NaCl are bad conductor of electricity in the solid sta...

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  10. Write the Lewis dot symbols and predict the valencies for the elements...

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  11. Out of KCI and CaO, which has higher lattice energy and why?

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  12. Is MgCl(2) linear or bent or neither of two? Explain

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  13. NaBr gives pale yellow precipitate with AgNO(3) solution but CBr(4) do...

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  14. Assertion Geometrical isomers are non-inter- convertible by rotation. ...

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  15. In which cases the octet rule is violated: BeBr(2),NH(3),AlBr(3),PBr...

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  16. Give the decreasing order of C-H bond length in ethane, ethene and eth...

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  17. Which bond is stronger in each of the following cases and why? a.H(2...

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  18. Give the decreasing order of dipole moments of HF,HCI,HBr, and HI.

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  19. what is a sigma and a pi bond.

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  20. Which of the following molecule/molecules have zero dipole moment? C...

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