Home
Class 11
CHEMISTRY
Atomic number of elements X,Y,Z and A a...

Atomic number of elements X,Y,Z and A are 4,8,7 and 12 respectivity . Arrange them in the decreasing order of their electronegativity.

Text Solution

Verified by Experts

`YgtZgtXgtA`
Promotional Banner

Topper's Solved these Questions

  • PERIODIC CLASSIFICATION OF ELEMENTS

    SURA PUBLICATION|Exercise ADDITIONAL LONG ANSWERS|12 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    SURA PUBLICATION|Exercise NUMERICAL PROBLEMS|2 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    SURA PUBLICATION|Exercise ADDITIONAL CHOOSE THE CORRECT ANSWER|100 Videos

  • HYDROGEN

    SURA PUBLICATION|Exercise NUMERICAL PROBLEM|2 Videos

  • PHYSICAL AND CHEMICAL EQUILIBRIUM

    SURA PUBLICATION|Exercise Creative questions (HOTS)|11 Videos

Similar Questions

Explore conceptually related problems

Experimental analysis of a compound containing the elements x,y,z on analysis gave the following data, x = 32 %, y = 24 %, z = 44 %. The relative number of atoms of x, y and z are 2,1 and 0.5, respectively. (Molecular mass of the compound is 400 g) Find out. (i) The atomic masses of the element x,y,z. (ii) Empirical formula of the compound and (iii) Molecular formula of the compound.

Which of the following statement (s) about the Modern Periodic Table is are incorrect (i) The elements in the Modern Periodic Table are arranged on the basis of their decreasing atomic number (ii) The elements in the Modern Periodic Table are arranged on the basis of their increasing atomic masses (iii) Isotopes are placed in adjoining group (s) in the Periodic Table (iv) The elements in the Modern Periodic Table are arranged on the basis of their increasing atomic number

The atomic number of an element is 12 and its mass number is 24. The number of elecetrons , protons and neutrons respectivity will be

The line L_1-=4x+3y-12=0 intersects the x-and y-axies at A and B , respectively. A variable line perpendicular to L_1 intersects the x- and the y-axis at P and Q , respectively. Then the locus of the circumcenter of triangle A B Q is (a) 3x-4y+2=0 (b) 4x+3y+7=0 (c) 6x-8y+7=0 (d) none of these

SURA PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-ADDITIONAL SHORT ANSWERS
  1. Write the name and atomic number of the following elements (i) Th...

    Text Solution

    |

  2. First ionisation potential of C- atom is greater than that of B atom ,...

    Text Solution

    |

  3. Atomic number of elements X,Y,Z and A are 4,8,7 and 12 respectivity ....

    Text Solution

    |

  4. Which has the stable electronic configuration : Ni^(2+)orFe^(+3). Wh...

    Text Solution

    |

  5. Define covalent radius.

    Text Solution

    |

  6. Define periodicity.

    Text Solution

    |

  7. Out of Na and Mg , which has higher second ionisation energy?

    Text Solution

    |

  8. Noble gases have maximum ionisation energy. Justify.

    Text Solution

    |

  9. Which of the following species will have the largest and smallest siz...

    Text Solution

    |

  10. The size of Cl^(-)=1.81ÅandCl=0.99Å. Explain.

    Text Solution

    |

  11. How does the shielding effect caused by inner electrons affect the ion...

    Text Solution

    |

  12. Larger the size of the atom ,lesser is the ionisation energy . Explain...

    Text Solution

    |

  13. Define lonization enthalpy.

    Text Solution

    |

  14. Noble gases have almost zero electron affinity give reason.

    Text Solution

    |

  15. Which among the halogens would you expect to have the least electroneg...

    Text Solution

    |

  16. Arrange the following elements in the increasing order of non - metall...

    Text Solution

    |

  17. Give reason for the following statement. Halogens act as good oxidisin...

    Text Solution

    |

  18. Write notes on triads and periods.

    Text Solution

    |

  19. Write a note about chancourtois classification .

    Text Solution

    |

  20. Mention the names of the elements with atomic number 101 ,102,109 and ...

    Text Solution

    |