Home
Class 11
CHEMISTRY
Which group of elements shows lowest ion...

Which group of elements shows lowest ionisation enthalpy?

A

Alkali metals

B

Alkaline earth metals

C

Halogens

D

Noble gases

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY

    NCERT FINGERTIPS ENGLISH|Exercise HOTS|10 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY

    NCERT FINGERTIPS ENGLISH|Exercise EXEMPLAR PROBLEMS|12 Videos

  • CHEMICAL BONDING & MOLECULAR STRUCTURE

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos

  • ENVIRONMENTAL CHEMISTRY

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

Group 13 elements show

Which pair of elements shows positive elecron gain enthalpy ?

Which group will show lowest second ionization energy ? (Non radioactiv element)

Which one of the following elements has lowest ionisation energy: H, Mg, Cs, B Report the Atomic number of that element.

Which of the elements show least values of ionisation within their periods ?

Among the elements, B, Al, C and Si, a) which element has the highest first ionisation enthalpy? b) which element has the most metallic character? Justify your answer in each case,

Which of the following electrons configruations of an atom has the lowest ionisaytion enthalpy ?

Which among the following elements has lowest value of ionisation potential ?

Which of the noble gases has its ionisation enthalpy close to that of molecular oxygen?

With which of the following electronic configuration of an atom has the lowest ionization enthalpy:

NCERT FINGERTIPS ENGLISH-CLASSIFICATION OF ELEMENTS AND PERIODICITY -Assertion And Reason
  1. Which group of elements shows lowest ionisation enthalpy?

    Text Solution

    |

  2. Assertion:According to mendeleev,the properties of elements are a peri...

    Text Solution

    |

  3. Assertion:Atomic number is a more fundamental property of an element t...

    Text Solution

    |

  4. Assertion:Atomic number of the element ununtrium is 113. Reason:Accor...

    Text Solution

    |

  5. Assertion:In the present form of periodic table,the period number corr...

    Text Solution

    |

  6. Assertion:The chemistry of the early actinoids is more comlicated than...

    Text Solution

    |

  7. Assertion:The atomic size generally increases across a period and decr...

    Text Solution

    |

  8. Assertion:Among isoelectronic species,the cation with the greater posi...

    Text Solution

    |

  9. Assertion:On moving down the group the group,ionization enthalpy decre...

    Text Solution

    |

  10. Assertion:For the elements O or F,the electron gain enthalpy is less n...

    Text Solution

    |

  11. Assertion: Shielding effect increases as we go down the group. Reaso...

    Text Solution

    |

  12. Assertion:Electronegativity is not a measurable quantity. Reason:The e...

    Text Solution

    |

  13. Oxidation state of oxygen in OF(2) and Na(2)O is +2 and -2 respectivel...

    Text Solution

    |

  14. Assertion:Boron can only form [BF(4)]^(-),whereas aluminium forms[AlF(...

    Text Solution

    |

  15. Assertion:Metallic character is highest at the extremely left side of ...

    Text Solution

    |

  16. Assertion:Na(2)O is basic whereas Cl(2)O(7) is acidic oxide. Reason:E...

    Text Solution

    |