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Why are the noble gases monoatomic?...

Why are the noble gases monoatomic?

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Explore conceptually related problems

(a) why was the classification of elements required ? (b) Why were the noble gases not included in Mendeleev's periodic table ?

Noble gases are

Why are noble gases called so ?

Why noble gases exist in mono atomic form?

Which of the noble gases is most reactive ?

Knowledge Check

  • Noble gases are

    A
    Monoatomic
    B
    Diatomic
    C
    Triatomic
    D
    Any of the above

  • Noble gases are

    A
    Monoatomic
    B
    Diatomic
    C
    Triatomic
    D
    Any of the above.

  • Why are noble gases called so ?

    A
    They react quickly with other compound
    B
    Due to their chemical inertness
    C
    They react only with carbon compound
    D
    They can produce oxygen
    • MODERN PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE-Revision Exercises (Objective Questions)(Very Short Answer Questions)
    1. Why are the noble gases monoatomic?

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    2. Can a non-polar molecule have polar covalent bonds?

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    3. Give one example each for a compound with (a) an ionic bond (b ) a cov...

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    4. Write Lewis dot structure of HCOOH.

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    5. Which hybrid orbitals are used by Carbon atoms in the following molecu...

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    6. Calculate the formal charge on each atoms in nitrite ion .

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    7. Out of CS(2) and OCS which have higher dipole moment and why?

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    8. An element A has the electronic configuration 1s^(2)2s^(2)2p^(6)3s^(2)...

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    9. Define resonance.

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    10. How does the hybridisation of carbon atom in CH(2)=CH(2) change when i...

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    11. Give two examples of molecules containing coordinate bond.

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    12. What are the shapes of (i) BF(3) and (ii) NH(3) molecules?

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    13. Which of the two bonds : ionic or covalent is directional?

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    14. Can a pi- bond be formed without the formation of a sigma- bond. How m...

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    15. Draw Lewis structure of O^(2-) and N^(3-) ions.

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    16. Give bond angles in H(2)O, CH(4) and SF(6) molecules.

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

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    18. Define electric dipole moment. Write its SI unit ?

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    19. How many sigma- and pi- bonds are present in naphthalene?

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    20. Out of NaCl and MgO which has higher lattice energy ?

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