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Number of electrons given by an atom of ...

Number of electrons given by an atom of element in the formation of covalent bond is equal to:

A

`1`. number of valence electrons

B

`2`. total number of electrons

C

`3`. electrons required to get octet configuration

D

`4`. equal to number of atoms in a molecule

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VGS PUBLICATION-BRILLIANT-CHEMICAL BONDING-EXERCISE
  1. In sodium chloride crystal the coordination number of Na^+ is

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  2. Bond formed by mutual sharing electrons is called

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

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  4. Which of the following step is not involved in the formation of MgCl2

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  5. Why is sigma - bond stronger than pi - bond ?

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  6. Electrons in shell are called valence electrons.

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  7. Assertion (A): Na-- forms an ionic bond. Reason (R): Number of valen...

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  8. Statement (A) : Group IIA elements try to lose two valence electrons f...

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  9. Assertion (A): Helium is noble gas. Reason (R) : Any species (atoms o...

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  10. Active elements : Group I :: Inactive. elements:

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  11. Group IA elements : Ionic bond : Group VII A elements :

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  12. Nacl : ionic bond : : HCL:

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  13. 11Na is: but 12Mg: di-positive ion

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  14. P: Kernel is the nucleus and all other electrons in the atom except th...

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  15. Statement (P) : Ionic bond is formed between atoms of two dissimilar e...

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  16. Highly reactive metals : alkali metals:: Highly reactive non-metals :

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  17. P: 11 NatoNa^++ e^-. Q : 11 Na + e^- to Na^+

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  18. a: Mg^2+ 2Cl^-to MgCl2 . b: 2 Cl+ 2e^-to2 Cl^-. c: Mg to Mg^(+2) + 2e^...

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  19. Which one is not an example of covalent bond ?

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  20. P: Electronic configurations of Na^+ and Ne are same. Q : Electronic c...

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