Home
Class 11
CHEMISTRY
The name of 'rare earths' is used for...

The name of 'rare earths' is used for

A

lanthanides only

B

actinides only

C

both lanthanides and actinides

D

alkaline earth metals

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    PATHFINDER|Exercise QUESTION BANK|374 Videos

  • ENVIRONMENTAL CHEMISTRY

    PATHFINDER|Exercise QUESTION BANK|157 Videos

Similar Questions

Explore conceptually related problems

Give two terminal elements of rare earth elements series.

Name the alloy of aluminium that is used for making aeroplanes.

Name an alloy of Cu that is used for making utensils.

What is the trade name of hydrogen peroxide used as an antiseptic?

Name a bacteria that is used for preparation of milk products.

Write the name of the catalyst used in Wacker Process.

Give the chemical name of ibuprofen along with its use.

Name the alkaline earth metal used to extract metals from their oxides which cannot undergo carbon reduction process.

Write the name of the compound used as a fire extinguisher under the name pyrene.

The colour of the plastic insulation on the earthing wire used in our country is generally :

PATHFINDER-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
  1. The elements in which 4f orbitals are progressively filled up are call...

    Text Solution

    |

  2. Which of the following elements does not belong to first transition se...

    Text Solution

    |

  3. The name of 'rare earths' is used for

    Text Solution

    |

  4. In genral outer electronic configuration of the elements of group ViB ...

    Text Solution

    |

  5. What is the group no.of an element having atomic no.105?

    Text Solution

    |

  6. Which of the following ionic radius would be maximum?

    Text Solution

    |

  7. The decreasing order of size of the following ions is

    Text Solution

    |

  8. Na+,Mg^(++),Al^(+3),Si^(+4) are isoelectronics the order of their ioni...

    Text Solution

    |

  9. The covalent and van der waals radii of hydrogen respectively are

    Text Solution

    |

  10. which ion possessses the smallest radius?

    Text Solution

    |

  11. Which of the following isoelectronic ions has lowest ionization energy...

    Text Solution

    |

  12. The first ionization potential in electron volts of nitrogen and oxyge...

    Text Solution

    |

  13. The first ionization potential of Na,Mg,Al and Si are in the order

    Text Solution

    |

  14. The correct order of decreasing first ionization energy is

    Text Solution

    |

  15. The correct order of electron affinity is

    Text Solution

    |

  16. The correct ordrr of electron affinity among the following is

    Text Solution

    |

  17. The lower electron affinity of fluorine than that of chlorine is due t...

    Text Solution

    |

  18. Electron affinity of inert gases is

    Text Solution

    |

  19. Which of the following has the highest electron affinity?

    Text Solution

    |

  20. The electronegativity follows the order

    Text Solution

    |