Home
Class 10
CHEMISTRY
Write the number of vertical columns in ...

Write the number of vertical columns in the modern periodic table. What are these columns called ?

Text Solution

Verified by Experts

Modern periodic table has eighteen (18) vertical columns. These are called groups.
Promotional Banner

Topper's Solved these Questions

  • PERIODIC CLASSIFICATION OF ELEMENTS

    DINESH PUBLICATION|Exercise Short Ansewer Questions|41 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    DINESH PUBLICATION|Exercise Long Answer Questions|26 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    DINESH PUBLICATION|Exercise N.C.E.R.T. END EXERCISE|10 Videos

  • METALS AND NON-METALS

    DINESH PUBLICATION|Exercise MCQ|64 Videos

Similar Questions

Explore conceptually related problems

The number of vertical columns in long form of periodic table is :

The modern periodic table is based on

Modern periodic table is based on

The modern periodic table was prepared by

The number of period that the modern periodic table has :

DINESH PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-Very Short Answer Questions
  1. What is the basic difference in the electronic configuration of the el...

    Text Solution

    |

  2. Three elements X, Y and Z belong to 17th group but to 2nd, 3rd and 4th...

    Text Solution

    |

  3. Element 'Y' with atomic number 3 combines with element 'A' with atomic...

    Text Solution

    |

  4. Name two other elements which belong to the same family as (i) fluor...

    Text Solution

    |

  5. On the basis of the periodic classification, identify each set belongi...

    Text Solution

    |

  6. The formula of magnesium oxide is MgO. Write the formula of magnesium ...

    Text Solution

    |

  7. The electronic configuration of an element is 2, 8, 7. What is its exp...

    Text Solution

    |

  8. Two elements A and B belong to rhe same period. What is common in them...

    Text Solution

    |

  9. The electronic configuration of an element is 2, 8, 6. Identify the el...

    Text Solution

    |

  10. How would tendency to gain electrons change as you go down a group ?

    Text Solution

    |

  11. Why do elements present in a group show similar characteristics after ...

    Text Solution

    |

  12. Given below are some of the elements of first group Li, Na, K (Their...

    Text Solution

    |

  13. An element has electronic configuration 2, 8, 3. What is the atomic nu...

    Text Solution

    |

  14. The atomic numbers of three elements X, Y and Z are 9, 11 and 17 respe...

    Text Solution

    |

  15. Choose from the following : ""(20)Ca,""(3)Li, ""(11)Na, ""(10)Ne (...

    Text Solution

    |

  16. Given below are the atomic radii of some elements of second period. ...

    Text Solution

    |

  17. Would you place the two isotopes of chlorine, Cl-35 and Cl-37 in diffe...

    Text Solution

    |

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

    Text Solution

    |

  19. Write the number of vertical columns in the modern periodic table. Wha...

    Text Solution

    |

  20. Why are elements H, Li, Na and K placed in group 1 ?

    Text Solution

    |