Home
Class 10
CHEMISTRY
The three elements predicted by Mendelee...

The three elements predicted by Mendeleev from the gaps in his periodic table were known as eka-boron, eka-aluminium and eka-silicon. What names were given to these elements when they were discovered later on?

Text Solution

Verified by Experts

The correct Answer is:
Scasndium, Gallium, Germanium
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 number of element discovered when Mendeleev proposed his periodic table was

What were the criteria used by Mendeléev in creating his Periodic Table?

The number of elements known at that time when Mendeleev arranged them in the periodic table was:

(a) How do the properties of eka-aluminium element predicted by Mendeleev compare with the actual properties of gallium element? Explain your answer. (b) What names were given by Mendeleev to the then undiscovered elements (i) Scandium (ii) gallium, and (iii) germanium?

LAKHMIR SINGH & MANJIT KAUR-PERIODIC CLASSIFICATION OF ELEMENTS-Exercise
  1. In the classificatioin of the then known elements, Mendeleev was guide...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. NEWLAND'S LAW OF OCTAVES

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  16. Three elements B, Si and Ge are :

    Text Solution

    |

  17. In Mendeleev's periodic table, gaps were left for the elements to be d...

    Text Solution

    |

  18. The three imaginary elements X,Y and Z represent a Döbereiner's triads...

    Text Solution

    |

  19. The atomic numbers of four elements P,Q,R and S are 6,8,14 and 16 resp...

    Text Solution

    |

  20. Which of the following statement is correct in regard to the classific...

    Text Solution

    |