Home
Class 10
CHEMISTRY
Mention any two demerits of the long for...

Mention any two demerits of the long form of the periodic table.

Text Solution

Verified by Experts

I] The position of hydrogen is not clear though it is placed with alkali metals.
ii] Lanthanides and actinides are placed separately and can.t be included with other elements in the main portion of the periodic table.
Promotional Banner

Topper's Solved these Questions

  • PERIODIC CLASSIFICATION OF ELEMENTS

    ZEN PUBLICATION|Exercise ZEE ADDITIONAL QUESTIONS SECTIONS (LONG ANSWER (LA) TYPE QUESTIONS)|6 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    ZEN PUBLICATION|Exercise ZEE ADDITIONAL QUESTIONS SECTIONS (HIGHER-ORDER THINKING SKILLS (HOTS))|9 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    ZEN PUBLICATION|Exercise ZEE ADDITIONAL QUESTIONS SECTIONS (VERY SHORT ANSWER (VSA) TYPE QUESTIONS)|29 Videos

  • METALS AND NON METALS

    ZEN PUBLICATION|Exercise ZEN ADDITIONAL QUESTIONS SECTION (LONG ANSWER [LA] TYPE 2 QUESTIONS)|14 Videos

Similar Questions

Explore conceptually related problems

First, fourth and fifth periods of the long form the periodic table consist of elements respectively:

Mention any two effects of current.

The number of periods in the long form of the periodic table is:

Mention any two methods of birth control.

Mention any two methods of birth control?

The period number in the long form of the periodic table is equal to

Mention any two methods of reducing friction .

Mention any three demerits of Bohr's atom model.

Draw a part of the long form of the periodic table showing a non-metal surrounded by non-metals from all the four sides.

Mention any two benefits of biodiversity .

ZEN PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-ZEE ADDITIONAL QUESTIONS SECTIONS (SHORT ANSWER (SA) TYPE QUESTIONS)
  1. Arrange the following elements in increasing order of their atomic rad...

    Text Solution

    |

  2. Identify and name the metals out of the following elements whose elect...

    Text Solution

    |

  3. Mention any two demerits of the long form of the periodic table.

    Text Solution

    |

  4. Why is hydrogen placed separately on the top left corner of the Modern...

    Text Solution

    |

  5. Why did the law of triads fail?

    Text Solution

    |

  6. Mention the merits of Newlands' law of octaves.

    Text Solution

    |

  7. What were the limitations of Newlands' law of Octaves ?

    Text Solution

    |

  8. Why do all elements of the same group have similar properties?

    Text Solution

    |

  9. The atomic numbers of three elements A, B, and Care 12, 18, and 20 res...

    Text Solution

    |

  10. Taking the example of an element of atomic number 16, explain how the ...

    Text Solution

    |

  11. The electronic configuration of an element 'X' is 2, 8, 8, 2. To which...

    Text Solution

    |

  12. All the members of group I are metals. Li and Na react with water rapi...

    Text Solution

    |

  13. Atomic number is considered to be a more appropriate parameter than at...

    Text Solution

    |

  14. How does the electronegativity changes as we move from left to right a...

    Text Solution

    |

  15. How would the tendency to gain electrons change as you go from left to...

    Text Solution

    |

  16. a) How does electropositivity of elements get affected as we move: (i)...

    Text Solution

    |

  17. Why are metals electropositive and non-metals electronegative in natur...

    Text Solution

    |

  18. Name three elements with seven valence electrons in their outermost sh...

    Text Solution

    |

  19. Inert gases are placed in a separate group in the Modern Periodic Tabl...

    Text Solution

    |

  20. a] What are metalloids? Write any two examples. b] Given below are s...

    Text Solution

    |