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Which inventions is most important relat...

Which inventions is most important related to micro organisms? Can you explain the reasons, why it is so important?

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Following criteria should be taken in consideration for resonance. The major contributor is the one with the lower energy good contributors generally have all octets satisfied, as many bonds are possible andas little charge separation as possible negative charges are more stable on the more electronegative atoms. Resonance stabilization is most important when it serves to delocalize a charge over two or more atoms The two important resonating structures of nitromethane are The resonance hybrid of nitromethane can be written as

Following criteria should be taken in consideration for resonance. The major contributor is the one with the lower energy good contributors generally have all octets satisfied, as many bonds are possible andas little charge separation as possible negative charges are more stable on the more electronegative atoms. Resonance stabilization is most important when it serves to delocalize a charge over two or more atoms The two important resonating structures of nitromethane are The resonance hybrid of nitromethane can be written as

VGS PUBLICATION-BRILLIANT-CHEMICAL BONDING-EXERCISE
  1. How do cations and anions of an ionic compound exist in its solid stat...

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  2. Do you think that pairs of Na^+Cl^− as units would be present in the s...

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  3. Which inventions is most important related to micro organisms? Can you...

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  4. Can you say what type of bond exists between atoms of nitrogen molecul...

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  5. What do you understand from bond lengths and bond energies?

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  6. Are the values not different for the bonds between different types of ...

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  7. What is the bond angle in a molecule?

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  8. How is HCl molecule formed?

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  9. Explain the formation of ionic compounds NaCl, MgCl2, Na2O and AlCl3 t...

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  10. Lewis electron dot symbol forMgCl2.

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  11. Lewis electron dot symbol for (Na2O).

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  12. Lewis electron dot symbol for(AlCl3).

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  13. Draw the structural diagram of Ammonia molecule as per the valence - s...

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  14. Write the names of any two compounds which have ionic bond.

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  15. Show the formation of HCI molecule with Lewis dot structures using the...

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  16. Explain, why bonding angle (HOH) in water is 104^@.31' instead of 109^...

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  17. Represent each of the following atoms using Lewis notation. Calcium c...

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  18. Draw the diagram to show the formation of Oxygen molecule by Valence b...

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  19. Draw the structure of the methane molecule. Write its bond angle.

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  20. Between a neutral atom and its cations which has bigger size ? Why?

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