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What is the valence of IIIA group eleme...

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

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What is the valency of IVA group elements with respect to hydrogen ?

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The order of abundance of IIIA group elements is

The order of abundance of IIIA group elements is

The densest element of IIIA group is

What is the common oxidation state of group IIIA elements ? How does it change down the group ?

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IIIA group element with highest density is

IIIA group element with highest density is

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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