Home
Class 11
CHEMISTRY
The number of neutrons in dipositive zin...

The number of neutrons in dipositive zinc ion with mass number `70` is.

A

34

B

40

C

36

D

38

Text Solution

Verified by Experts

The correct Answer is:
B

`._30Zn^70, Zn^(2+)` has No. of Neutrons =70-30=40
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    ERRORLESS |Exercise JEE SECTION (Matrix Match Type Questions)|1 Videos
  • ATOMIC STRUCTURE

    ERRORLESS |Exercise CRITICAL THINKING|22 Videos
  • SURFACE CHEMISTRY

    ERRORLESS |Exercise JEE Section (Matching Column)|2 Videos
ERRORLESS -ATOMIC STRUCTURE-JEE SECTION
  1. The number of neutrons in dipositive zinc ion with mass number 70 is.

    Text Solution

    |

  2. The number of electrons in one molecule of CO2 are

    Text Solution

    |

  3. Rutherford's alpha particle scattering experiment eventually led to th...

    Text Solution

    |

  4. How many upaired electrons are present in Ni^(2+)?

    Text Solution

    |

  5. Who discovered neutron?

    Text Solution

    |

  6. CO has same electrons as of the ion that is isoelectronic with CO is.

    Text Solution

    |

  7. A p-orbital can accommodate upto :

    Text Solution

    |

  8. The principal quantum number of an atom is related in the

    Text Solution

    |

  9. Which electronic level would allow the hydrogen atom to absorbs a phot...

    Text Solution

    |

  10. The correct set of four quantum numbers for valence electrons of rubid...

    Text Solution

    |

  11. The increasing order (lowest first) for the values of e//m (charge//ma...

    Text Solution

    |

  12. The radius of an atomic nucleus is of the order of

    Text Solution

    |

  13. Electromagnetic radiation with maximum wavelengths is :

    Text Solution

    |

  14. Bohr's model can explain

    Text Solution

    |

  15. Which one of the following sets of quantum numbers represents an impos...

    Text Solution

    |

  16. The ratio of the energy of a photon of 2000Å wavelength radiation to ...

    Text Solution

    |

  17. The triad of nuclei that is isotonic is

    Text Solution

    |

  18. The wavelngth fo a spectrl line for an electronic transition is invers...

    Text Solution

    |

  19. The outermost electronic configuration of the most electronegative ele...

    Text Solution

    |

  20. The orbital diagram in which the Aufbau's principle is violated

    Text Solution

    |