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Why do atoms combine together ?...

Why do atoms combine together ?

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Knowledge Check

  • In graphite adjacent layers of carbon atoms are held together by

    A
    covalent bonds
    B
    coordinate bonds
    C
    vander walls forces
    D
    ionic bonds.
    • ICSE-CHEMICAL BONDING AND MOLECULAR STRUCTURE-REVIEW EXERCISES
    1. Why do atoms combine together ?

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    2. Give the lewis structures and the formulae of the ionic compou...

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    3. Give the lewis structures and the formulae of the ionic compou...

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    4. Give the lewis structures and the formulae of the ionic compou...

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    5. Give the lewis structures and the formulae of the ionic compou...

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    6. Discuss the feasibility of the formation of an ionic bond if IE of ...

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    7. Discuss the feasibility of the formation of an ionic bond if IE of...

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    8. Discuss the feasibility of the formation of an ionic bond if both t...

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    9. Write the electron dot structures of the following compounds: Mg O...

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    10. Explain why ionic compounds possess very high melting and boiling ...

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    11. Explain why ionic compounds are soluble in water but insoluble in or...

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    12. Explain why ionic compounds are hard and brittle?

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    13. Explain why An ionic bond cannot be formed between theatoms of the ...

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    14. Explain why lonic reactions are very fast.

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    15. What is octet rule? illustrate it with some examples.

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    16. Write Lewis structures of the following species : Cl^(-) ,O2^(-) ,...

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    17. Explain the formation of CaF2 molecule.

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    18. What type of elements do form ionic bonds and why?

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    19. What do you understand by variable electrovalency? Give atleast two ex...

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    20. What are the optimum conditions for the formation of a covalent bond?

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