Home
Class 10
CHEMISTRY
The number of protons in one atom of an ...

The number of protons in one atom of an element X is 8. What will be the number of electrons in its ion `X^(2-)`?

A

8

B

9

C

10

D

11

Text Solution

Verified by Experts

The correct Answer is:
C
c
Promotional Banner

Topper's Solved these Questions

  • METALS AND NON-METALS

    LAKHMIR SINGH & MANJIT KAUR|Exercise Long Answer Type Question|1 Videos

  • METALS AND NON-METALS

    LAKHMIR SINGH & MANJIT KAUR|Exercise Short Answer Type Qustions|1 Videos

  • METALS AND NON-METALS

    LAKHMIR SINGH & MANJIT KAUR|Exercise Solved Problem|1 Videos

  • CHEMICAL REACTIONS AND EQUATIONS

    LAKHMIR SINGH & MANJIT KAUR|Exercise QUESTIONS BASED ON HIGH ORDER THINKING SKILLS (HOTS)|1 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    LAKHMIR SINGH & MANJIT KAUR|Exercise VERY SHORT ANSWER TYPE|6 Videos

Similar Questions

Explore conceptually related problems

If the number of protons in one atom of an element Y is 20, then the number of electrons in its ion Y^(2+) will be:

The atomic number of an element X is 3. What will be the number of electrons in its ions X^(3+) ?

The atomic number of an element X is 19. The number of electrons in its ion X^(+) will be

The atomic number of an element Y is 17. The number of electrons in its ion Y^(-) will be:

The atomic number of an element E is 16. The number of electrons in its ion E^(2-) will be :

The ion of an element has 3 positive charges. The mass number of atom of this element is 27 and the neutrons is 14. What is the number of electrons in the ion ?

The atomic number of an element is 16. Predict the number of valence electrons in its atom

The ion of an element has 3 positive charges. Mass number of the atom is 27 and the number of neutrons is 14. What is the number of electrons in the ion?

LAKHMIR SINGH & MANJIT KAUR-METALS AND NON-METALS-Exercise
  1. One of the following compounds is not ionic in nature. This compound i...

    Text Solution

    |

  2. The rechargeable battery used in a mobile phone hand set is usually :

    Text Solution

    |

  3. The number of protons in one atom of an element X is 8. What will be t...

    Text Solution

    |

  4. If the number of protons in one atom of an element Y is 20, then the n...

    Text Solution

    |

  5. The noble gas having only two electrons in its valence shell is:

    Text Solution

    |

  6. A covalent molecule having a double bond between its atoms is:

    Text Solution

    |

  7. The molecules having triple bond in them are:

    Text Solution

    |

  8. One of the following contains a double bond as well as single bonds. T...

    Text Solution

    |

  9. Which of the following has a triple bond as well as single bonds?

    Text Solution

    |

  10. Two non-metals combine with each other by the sharing of electrons to ...

    Text Solution

    |

  11. A metal combines with a non-metal by the transfer of electrons to form...

    Text Solution

    |

  12. The electronic configuration of three elements X,Y and Z are as follow...

    Text Solution

    |

  13. An element A has 4 valence electrons in its atom whereas element B has...

    Text Solution

    |

  14. In the formation of a compound XY(2) atom X gives one electron to each...

    Text Solution

    |

  15. An element 'A' has two electrons in the outermost shell of its atom an...

    Text Solution

    |

  16. The electronic configurations of two elements A and B are given below:...

    Text Solution

    |

  17. Four elements A, B, C and D have the following electron arrangement in...

    Text Solution

    |

  18. An element X oif atomic number 12 combines with an element Y of atomic...

    Text Solution

    |

  19. The electronic configurations of three elements A, B, and C are as fol...

    Text Solution

    |

  20. the electronic configurations of four particles A,B,C and D are given ...

    Text Solution

    |