Home
Class 11
CHEMISTRY
The element cited as an example to prove...

The element cited as an example to prove the validity of Mendeleev's periodic law is

A

germanium

B

Scandium

C

gallium

D

all

Text Solution

Verified by Experts

The correct Answer is:
D
Modeleev left blank spaces in periodic table and predicted their properties.
Promotional Banner

Topper's Solved these Questions

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY

    NARAYNA|Exercise EXERCISE - 2 (H.W)|23 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY

    NARAYNA|Exercise EXERCISE - 3|17 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY

    NARAYNA|Exercise EXERCISE - 1 (H.W)|47 Videos

  • CHEMICAL EQUILIBRIUM

    NARAYNA|Exercise Exercise -IV|33 Videos

  • ENVIRONMENTAL CHEMISTRY

    NARAYNA|Exercise EXCERCISE - IV (NCERT EXEMPLAR QUESTIONS)|7 Videos

Similar Questions

Explore conceptually related problems

State Mendeleev's periodic law.

State Mendeleev's periodic law.

What is the basic of Mendeleev's periodic law ?

What are the limitations of Mendeleev's periodic table?

NARAYNA-CLASSIFICATION OF ELEMENTS AND PERIODICITY -EXERCISE - 2 (C.W)
  1. The element cited as an example to prove the validity of Mendeleev's p...

    Text Solution

    |

  2. The term periodicity in the properties of element are arranged in the ...

    Text Solution

    |

  3. The one which has incompletely filled d-orbitals in its ground state o...

    Text Solution

    |

  4. The name ‘Rare earths’ is used for

    Text Solution

    |

  5. Give five characteristics of p-block elements.

    Text Solution

    |

  6. The 6th period of the periodic table contains

    Text Solution

    |

  7. Ionic radii vary in

    Text Solution

    |

  8. Which of the following has largest radius?

    Text Solution

    |

  9. An element which lies in the same group of the periodic table as mercu...

    Text Solution

    |

  10. The correct order of the second ionisation potential of carbon, nitrog...

    Text Solution

    |

  11. The order of decreasing atomic radii for Be, Na & Mg is

    Text Solution

    |

  12. From which of the following species in gaseous state it is easiest to ...

    Text Solution

    |

  13. Ionisation of energy F^(ɵ) is 320 kJ mol^(-1). The electronic gain ent...

    Text Solution

    |

  14. The element having very high ionization enthalpy but zero electron af...

    Text Solution

    |

  15. The first ionisation potential of Na is 5.1eV. The value of eectrons g...

    Text Solution

    |

  16. Among halogens, the correct order of amount of energy released in elec...

    Text Solution

    |

  17. The formation of oxide ion O^(2-)(g) from oxygen atom requires first a...

    Text Solution

    |

  18. Electronic configuration of four elements A, B ,C and D are given belo...

    Text Solution

    |

  19. The ionisation energy and electron affinity of an element are 13.0ev a...

    Text Solution

    |

  20. The electronegativity of cesium is 0.7 and that of flourine is 4.0 The...

    Text Solution

    |