Home
Class 10
CHEMISTRY
The first three periods are...

The first three periods are

A

long periods

B

short periods

C

moderate periods

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PERIODIC CLASSIFICATION OF ELEMENTS

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

  • PERIODIC CLASSIFICATION OF ELEMENTS

    ZEN PUBLICATION|Exercise ZEE ADDITIONAL QUESTIONS SECTIONS (SHORT ANSWER (SA) TYPE QUESTIONS)|69 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    ZEN PUBLICATION|Exercise QUESTIONS SECTION (TEXTUAL QUESTIONS)|10 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

In four numbers given the first three numbers are in G.P. and the last three numbers are in A.P. with commor, difference 6. If the first and last numbers are equal then the are

The first three terms of a sequence are 3,-1,-1 . The next terms are

The first three terms of an A.P. are 3y -1, 3y + 5, and 5y+ 1 . Find y.

If x ,2x+2 and 3x+3 are the first three terms of a G.P., then the fourth term is

In a Geometric progression the sum of first three terms is 14 and the sum of next three terms of it is 112. Find the Geometric progression.

Write first three terms of the sequence a_n=(n-3)/(4) .

The ratio of radii of the first three Bohr orbits of H-atom is :

ZEN PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-ZEE ADDITIONAL QUESTIONS SECTIONS (MULTIPLE CHOICE QUESTIONS)
  1. Which of the following properties is not a periodic property?

    Text Solution

    |

  2. In the Modern Periodic Table, element helium is placed at the

    Text Solution

    |

  3. The first three periods are

    Text Solution

    |

  4. Which element was not known when Mendeleev framed the periodic table?

    Text Solution

    |

  5. Chemical properties of elements depend on

    Text Solution

    |

  6. Which of the following properties of the elements can't be predicted f...

    Text Solution

    |

  7. Non-metals usually form

    Text Solution

    |

  8. In the Modern Periodic Table, elements with similar valenceshell confi...

    Text Solution

    |

  9. Elements in the same group of the periodic table have the same

    Text Solution

    |

  10. Which of the following always increases down a group?

    Text Solution

    |

  11. Which of the following always decreases down a group?

    Text Solution

    |

  12. Which parameter decreases as we move from left to right along a period...

    Text Solution

    |

  13. The number of valence electrons in an element belonging to period 3 an...

    Text Solution

    |

  14. The period and group number of an element with atomic number 7 are

    Text Solution

    |

  15. The number of which of the following atomic particles plays a major ro...

    Text Solution

    |

  16. The longest period in the Modern Periodic Table is the

    Text Solution

    |

  17. Group I elements in the Modern Periodic Table are known as

    Text Solution

    |

  18. The most reactive element of all the elements is

    Text Solution

    |

  19. According to Newlands' law of octaves, the number of elements between ...

    Text Solution

    |

  20. Halogens are present in which group of the Modern Periodic Table?

    Text Solution

    |