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Which type of elements form aniona ? Giv...

Which type of elements form aniona ? Give an example.

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BEYOND PUBLICATION-CHEMICAL BONDING-EXERCISE
  1. There is a triple bond between two atoms. Which molecule they belongs...

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  2. Which of the following forces are the strongest ?

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  3. The chemical formula of zinc phosphate is

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  4. A pi bond is formed by overlap of orbitals.

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  5. The charge on a cation 'M' is +2 and anion 'A' is -3. The compound for...

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  6. Among Licl, BeCl2, BCl3, and C Cl4, the covalent bond character follow...

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  7. The order of the over lapping of atomic or-bitals is…….

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  8. Which of the following is correct order of repulsive interactions ?

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  9. Which has the lowest bond angle ?

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  10. Ionic bond is absent in………

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  11. The bond angles in : BeCl2, BF3, H2O

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  12. Ionic bond is formed between IA group and VII A group, because

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  13. The electronic configuration of metal 'M' is 1s^22s^22p^63s^2 3p^6 4s ...

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  14. The electronic configuration of four elements L, P, Q and R are given ...

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  15. Number of electrons given by an atom of element in the formation of co...

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  16. The order of repulsion of different types of electron pairs in valence...

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  17. What is the valence of IIIA group elements ? How can you say ?

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  18. How do IIIA group elements form cations ?

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  19. Which type of elements form aniona ? Give an example.

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  20. In excited state, how many bonds do boran form with fluorine ?

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