Home
Class 11
CHEMISTRY
Which of the following statements are co...

Which of the following statements are correct?

A

Cl has highest `EA_(1)` among all the known elements

B

Cl is most electronegativity element in periodic table

C

both Br and Hg elements are liquid at room temperature

D

Atomic radius of noble gas is lowest in their respective periods.

Text Solution

Verified by Experts

The correct Answer is:
A, C
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    DINESH PUBLICATION|Exercise COMPREHENSION|4 Videos

  • ENVIRONMENTAL CHEMISTRY

    DINESH PUBLICATION|Exercise Integer Type Questions|4 Videos
DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
  1. Which of the following pairs contain elements with similar atomic radi...

    Text Solution

    |

  2. The number of which subatomic particle is same in case of chlorine ato...

    Text Solution

    |

  3. Which of the following statements are correct?

    Text Solution

    |

  4. Which of the following pairs of species have nearly same size?

    Text Solution

    |

  5. The correct order of the second ionisation potential of carbon, nitrog...

    Text Solution

    |

  6. The correct order of IE(2) of C, N, O and F is

    Text Solution

    |

  7. Atomic radii of fluorine atom and neon atom in angstrom units are resp...

    Text Solution

    |

  8. The electronegativity of the following elements increases in the order

    Text Solution

    |

  9. The value in electron-volt per atom which represent the first ionisati...

    Text Solution

    |

  10. Which one of the following is the smallest in size?

    Text Solution

    |

  11. Which of the following statements is/are false for the long form of th...

    Text Solution

    |

  12. The first ionisation potential of Na,Mg,Al and Si are in the order

    Text Solution

    |

  13. The outermost electronic configuration of the element with highest val...

    Text Solution

    |

  14. Amongst the following elements (whose electronic configuration an gi...

    Text Solution

    |

  15. Which one of the following is correct order of increase of size?

    Text Solution

    |

  16. The statement that is not correct for periodic classification of eleme...

    Text Solution

    |

  17. Which of the following has largest size ?

    Text Solution

    |

  18. The decreasing order of the second ionisation potential of K , Ca and ...

    Text Solution

    |

  19. The incorrect statement Among the following is A)The first ionisation...

    Text Solution

    |

  20. Ionic radii of :

    Text Solution

    |