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Write Lewis dot symbols for atoms of the...

Write Lewis dot symbols for atoms of the following elements: `Mg,Na,B,O,N,Br`.

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`""_(12) Mg = 2, 8, 2 therefore ` Lewis symbol =` overset(cdot )Mg*.""_(11) Na = 2,8, 1 therefore ` Lewis symbol = `overset(cdot )Na `
`._(5)N = 2, 5 therefore ` Lewis symbol = `*overset(cdot)(B )* ." " _(8)O = 2, 6 therefore ` Lewis symbol = `:overset(cdot cdot)(O):`
` _(7)N = 2, 5 therefore ` Lewis symbol = `:overset(cdot cdot)underset(cdot)(N): " " _(35)Br = 2 , 8 , 28 , 7 therefore ` Lewis symbol = `:overset(cdot cdot)underset(cdot cdot )(Br):`
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PRADEEP-CHEMICAL BONDING AND MOLECULAR STRUCTURE-NCERT Questions And Exercises With Answers
  1. Explain the formation of a chemical bond.

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  2. Write Lewis dot symbols for atoms of the following elements: Mg,Na,B,O...

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  3. Write Lewis symbols for the following atoms and ions : S and S^(2 -...

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  4. Draw the Lewis structures for the following molecules and ions: H(2)...

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  5. Define octet rule. Write its significance and limitations.

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  6. Write the favourable factors for the formation of ionic bond.

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  7. Discuss the shape of the following molecules using the VSEPR model: ...

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  8. Although geometries of NH(3) and H(2)O molecules are distorted tetrahe...

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  9. How do you express the bond strength in terms of bond order?

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  10. Define the bond length.

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  11. Explain the important aspects of resonance with reference to the CO(3)...

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  12. H(3) PO(3) can be represented by the structures 1 and 2 shown below . ...

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  13. Write the resonance structures for SO(3),NO(2), and NO(3)^(ө).

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  14. Use Lewis symbols to show electron transfer between the following atom...

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  15. Although both CO(2) and H(2)O are triatomic molecules, the shape of H(...

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  16. Write the significance/applications of dipole moment.

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  17. Define electronegativity. How does it differ from electron gain enthal...

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  18. Explain with the help of suitable example polar covalent bond.

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  19. Arrange the following molecules in order ionic character of their bond...

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  20. The skeletal structure of CH(3) COOH as shown below is correct , but...

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