Home
Class 12
CHEMISTRY
Atoms may be regarded as comprising prot...

Atoms may be regarded as comprising protons, neutrons and electrons. If the mass of a neutron were halved and that of electron was doubled , the atomic mass of `""_(6)C^(12)` would `:`

A

remain approximately the same

B

be approximately doubled

C

be approximately halved

D

be reduced approximately by 25%

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • UNIT TEST -08

    MODERN PUBLICATION|Exercise QUESTIONS|58 Videos
  • UNIT TEST 2

    MODERN PUBLICATION|Exercise MCQs|60 Videos

Similar Questions

Explore conceptually related problems

Mention the proton, neutron and electrons ""_(17)C^(35) .

Compare the properties of electrons, protons and neutrons.

What is the mass of proton as compared to electron ?

What is the charge of an electron, proton and a neutron ?

If K and L shells of an atom are full then what would be the total number of electrons in the atom ?

How many electrons are shared in a double bond between two atoms ?

What is the ratio between mass of proton and electron?

MODERN PUBLICATION-UNIT TEST 1 -SELECT THE CORRECT ANSWER
  1. Which of the following sets of quantum number is correct for an electr...

    Text Solution

    |

  2. The total number of spectral lines obtained in Lyman series when an el...

    Text Solution

    |

  3. Atoms may be regarded as comprising protons, neutrons and electrons. I...

    Text Solution

    |

  4. Which of the following statements regarding spectral series is correct...

    Text Solution

    |

  5. As the atomic number of the halogens increases, the halogens :

    Text Solution

    |

  6. Which of the following has largest size ?

    Text Solution

    |

  7. Which of the following electronic configuration would you expect to ha...

    Text Solution

    |

  8. The negative electron gain enthalpy values of halogens follows the ord...

    Text Solution

    |

  9. Which of the following does not involve sp^(3) hybridisation of the ce...

    Text Solution

    |

  10. The geometry of NF(5) molecule is :

    Text Solution

    |

  11. Which of the following species does not exist ?

    Text Solution

    |

  12. Which of the following has largest ONO bond ?

    Text Solution

    |

  13. XeF(2) molecule is :

    Text Solution

    |

  14. Which of the following has least hydrogen bonding ?

    Text Solution

    |

  15. Which of the following is paramagnetic ?

    Text Solution

    |

  16. Which of the following has lowest boiling point ?

    Text Solution

    |

  17. The molecule having highest bond dissociation energy is :

    Text Solution

    |

  18. Intermolecular forces in solid hydrogen are :

    Text Solution

    |

  19. Which of the following is least ionic ?

    Text Solution

    |

  20. What weight of CO(2) will contain same number of oxygen atoms as are p...

    Text Solution

    |