Home
Class 11
CHEMISTRY
The atomic radius increases as we move d...

The atomic radius increases as we move down a group because

A

effective nuclear charge increases

B

atomic mass increases

C

added electrons are accommodated in new electron level

D

atomic number increases

Text Solution

Verified by Experts

The correct Answer is:
C
Down the group, atomic size increases as extra shell of electron being added.
Promotional Banner

Topper's Solved these Questions

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    BRILLIANT PUBLICATION|Exercise QUESTIONS (LEVEL-II)|51 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    BRILLIANT PUBLICATION|Exercise QUESTIONS (LEVEL-III (Single Correct Answer Type ))|8 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    BRILLIANT PUBLICATION|Exercise QUESTIONS|11 Videos

  • CHEMICAL THERMODYNAMICS

    BRILLIANT PUBLICATION|Exercise LEVEL-III|52 Videos

  • ENVIRONMENTAL CHEMISTRY

    BRILLIANT PUBLICATION|Exercise QUESTIONS LEVEL-II (ASSERTION-REASON TYPE)|10 Videos

Similar Questions

Explore conceptually related problems

Atomic sizes generally increase as we come down a group of the periodic table. But in the 4th group of the periodic table, Zr and Hf have almost the same atomic sizes. Why?

Explain i Helium is used in inflating aeroplane tyres? ii. Solubility of noble gases in water inereases as we move down the group.

Assertion: Shielding effect increases as we go down the group. Reason: More is the number of electrons in the penultimate shell, more is the shielding

Assertion : The atomic size generally increases across a period and decreases down the group. Reason: Atomic size depends upon valence shell electronic configuration.

A rise in temperature increases the velocity of a reaction. It is because it results in

What does atomic radius and ionic radius really mean to you?

BRILLIANT PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTIONS (LEVEL-I)
  1. Which pair of atomic numbers represents s-block elements?

    Text Solution

    |

  2. The atomic radius increases as we move down a group because

    Text Solution

    |

  3. Which one of the following ions has the smallest radius?

    Text Solution

    |

  4. Consider the ions: 'K^+, S^(2-), Cl^-' and 'Ca^(2+) .' The radii of th...

    Text Solution

    |

  5. The radius of Cr is minimum in which of the following compounds?

    Text Solution

    |

  6. The set representing the correct order of first ionization potential i...

    Text Solution

    |

  7. Which of the following has least electron affinity?

    Text Solution

    |

  8. Which of the following statements is correct with respect to the prope...

    Text Solution

    |

  9. The element with the electronic configurations as (Ar) 3d^(10)4s^(2)4p...

    Text Solution

    |

  10. The law of triads is not applicable with

    Text Solution

    |

  11. If Aufbau rule is not followed, K-19 will be placed in........... bloc...

    Text Solution

    |

  12. Following triads have approximately equal size

    Text Solution

    |

  13. Which pair is different from the others?

    Text Solution

    |

  14. Which is/are amphoteric oxides?

    Text Solution

    |

  15. Second electron affinity of an element

    Text Solution

    |

  16. Ionisation energy of F^Ɵ is 320 kJ mol^(-1) . The electron gain enthal...

    Text Solution

    |

  17. Which of the following element has the highest EN?

    Text Solution

    |

  18. Which of the following oxides is most basic?

    Text Solution

    |

  19. The IUPAC name for the element with atomic number, Z=119 is.

    Text Solution

    |

  20. An element which lies in the same group of the periodic table as mercu...

    Text Solution

    |