Home
Class 12
CHEMISTRY
Explain why a few elements such as Be(+0...

Explain why a few elements such as `Be(+0.6),N(+0.3) & He(+0.6)` have positive electron gain enthalpies while majority of elements do have negative values.

Promotional Banner

Topper's Solved these Questions

  • PERIODIC TABLE

    MOTION|Exercise Exercise - 4 | Level-I|30 Videos
  • PERIODIC TABLE

    MOTION|Exercise Exercise - 4 | Level-II|22 Videos
  • PERIODIC TABLE

    MOTION|Exercise Exercise - 2 (Level-I)|20 Videos
  • P-BLOCK ELEMENTS

    MOTION|Exercise Exercise - 4 | Level-I Previous Year | JEE Main|37 Videos
  • RADIOACTIVITY

    MOTION|Exercise EXERCISE - 4 LEVEL - II|20 Videos

Similar Questions

Explore conceptually related problems

Noble gase have zero electron gain enthalpy values. Explain.

The element having highest electron gain enthalpy (with sign) among group 18 elements are:

Up to atomic number 19,if' X number elements are having positive electron gain enthalpy (EGE_(1)) and Y number of elements are having negative electron gain enthalpy (EGE_(1)) then find the value of frac(X)(Y) ?

Why do halogens have high electron gain enthalpies (i.e. -Delta_(eg)H^(o.)) ?

Which among the following elements will have a positive electron gain enthalpy ? B, C, N, O.

Which of the following pairs of elements would have more negative electron gain enthalpy.

MOTION-PERIODIC TABLE -Exercise - 3 | Level-I
  1. Why do alkaline earth metals always form dipositive ions ?

    Text Solution

    |

  2. State giving reasons which one have higher value (a) IE(1) of F or C...

    Text Solution

    |

  3. Explain why a few elements such as Be(+0.6),N(+0.3) & He(+0.6) have po...

    Text Solution

    |

  4. From among the elements, choose : Cl, Br, F, Al, C, Li, Cs & Xe The...

    Text Solution

    |

  5. From among the elements, choose : Cl, Br, F, Al, C, Li, Cs & Xe The...

    Text Solution

    |

  6. From among the elements, choose : Cl, Br, F, Al, C, Li, Cs & Xe The...

    Text Solution

    |

  7. From among the elements, choose : Cl, Br, F, Al, C, Li, Cs & Xe The...

    Text Solution

    |

  8. From among the elements, choose : Cl, Br, F, Al, C, Li, Cs & Xe The ...

    Text Solution

    |

  9. Which property will increase and which will decrease for IA group as w...

    Text Solution

    |

  10. The IE do not follow a regular trend in II & III periods with increasi...

    Text Solution

    |

  11. Arrange in decreasing order of atomic size: Na,Cs, Mg, Si, Cl

    Text Solution

    |

  12. In the ionic ompound KF, the K^(+) and F^(-) ions are found to have pa...

    Text Solution

    |

  13. Which will have a higher boiling point, Br(2) or ICl, & why ?

    Text Solution

    |

  14. Which bond in each pair is more polar (a) P-CI or P - Br (b) S -CI o...

    Text Solution

    |

  15. Arrange noble gases, in the increasing order of b.p.

    Text Solution

    |

  16. Calculate E.N. of chlorine atom on Pauling scale if I.E. of CI^(-) is ...

    Text Solution

    |

  17. Calculate the electronegativity of fluorine from the following data: ...

    Text Solution

    |

  18. The IE values of Al((g)) = Al^(+) +e is 577.5 kJ mol^(-) and DeltaH fo...

    Text Solution

    |

  19. How many chlorine atoms will be ionised Cl to Cl^(-) + e^(-) by the en...

    Text Solution

    |

  20. For the gaseous reaction , K((g)) + F((g)) to K^(+) + F^(-) , DeltaH w...

    Text Solution

    |