Home
Class 10
CHEMISTRY
A,B and C are the elements of a Deoberei...

`A,B` and `C` are the elements of a Deobereiner's triad. If th atomic mass of `A` is 7 and that of `C` is 39, what should be the atomic mass of `B` ?

Text Solution

Verified by Experts

The correct Answer is:
23
NA
Promotional Banner

Topper's Solved these Questions

  • PERIODIC CLASSIFICATION OF ELEMENTS

    LAKHMIR SINGH & MANJIT KAUR|Exercise SHORT ANSWER TYPE|8 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    LAKHMIR SINGH & MANJIT KAUR|Exercise LONG ANSWER TYPE|3 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

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

  • METALS AND NON-METALS

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

  • TEST PAPER 1

    LAKHMIR SINGH & MANJIT KAUR|Exercise Section B|4 Videos

Similar Questions

Explore conceptually related problems

The three imaginary elements X,Y and Z represent a Döbereiner's triads. If the atomic mass of element X is 14 and that of element Y is 46, then the atomic mass of element Z will be:

If A,B and C are the three elements of Dobereiner's Traid and atomic weight of A and B are 7 and 15 respectively then the atomic weight of C is:

Atomic mass of an element is

Element with atomic mass 14 is _____

LAKHMIR SINGH & MANJIT KAUR-PERIODIC CLASSIFICATION OF ELEMENTS-Exercise
  1. Rewrite the following statements after correction, if necessary: (a)...

    Text Solution

    |

  2. Triads And Law Of Octaves

    Text Solution

    |

  3. A,B and C are the elements of a Deobereiner's triad. If th atomic mass...

    Text Solution

    |

  4. X and Y are the two elements having similar properties which obey Newl...

    Text Solution

    |

  5. What was the Mendeleev's basis of the classification of elements.?

    Text Solution

    |

  6. In the classificatioin of the then known elements, Mendeleev was guide...

    Text Solution

    |

  7. Name two elements whose properties were predicted on the basis of thei...

    Text Solution

    |

  8. The three elements predicted by Mendeleev from the gaps in his periodi...

    Text Solution

    |

  9. Name two elements whose properties were predicted on the basis of thei...

    Text Solution

    |

  10. A,B and C are the elements of a Deobereiner's triad. If th atomic mass...

    Text Solution

    |

  11. Which group of elements could be placed in mendeleev's periodic table ...

    Text Solution

    |

  12. Fill in the following blanks with suitable words: (a) The basis for...

    Text Solution

    |

  13. (a) What is meant by (i) a group and (ii) a period in a periodic table...

    Text Solution

    |

  14. NEWLAND'S LAW OF OCTAVES

    Text Solution

    |

  15. (a) State the merits of Mendeleev's classification of elements. (b) ...

    Text Solution

    |

  16. (a) How do the properties of eka-aluminium element predicted by Mendel...

    Text Solution

    |

  17. (a) Why do we classify elements? (b) What were the two criteria used...

    Text Solution

    |

  18. In Mendeleev's periodic table gap was not left for one of the followin...

    Text Solution

    |

  19. The Newlands' law of octaves for the classification of elements was fo...

    Text Solution

    |

  20. According to Mendeleev' periodic law, the elements were arranged in th...

    Text Solution

    |