Home
Class 10
CHEMISTRY
Two elements X and Y belong to group 1 a...

Two elements X and Y belong to group 1 and 2 - respectively in the same period of periodic table. Compare them with respect to :
the number of valence electrons in their atoms

Text Solution

Verified by Experts

X. has 1 valence electron, .Y. has 2 valence electrons.
Promotional Banner

Topper's Solved these Questions

  • PERIODIC CLASSIFICATION OF ELEMENTS

    SWAN PUBLICATION|Exercise ADDITIONAL IMPORTANT QUESTIONS (Long Answer Type Questions)|16 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    SWAN PUBLICATION|Exercise ADDITIONAL IMPORTANT QUESTIONS (Very Short Answer Type Questions)|16 Videos

  • METALS AND NON METALS

    SWAN PUBLICATION|Exercise ADDITIONAL IMPORTANT QUESTIONS ( Long Answer Type Questions )|9 Videos

Similar Questions

Explore conceptually related problems

Two elements X and Y have atomic numbers 12 and 16 respectively. Write the electronic configuration for these elements. To which period of the modern perioidic table to these two elements belong? What type of bond will be formed between them and why?

An element belongs to 3rd period and 17th group of periodic table.Find its electronic congiguration and valance electrons?

SWAN PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS -ADDITIONAL IMPORTANT QUESTIONS (Short Answer Type Questions)
  1. The element Be, Mg, Ca are placed in the second group of the periodic ...

    Text Solution

    |

  2. Table given below shows a part of the periodic table: Using this ...

    Text Solution

    |

  3. Table given below shows a part of the periodic table: Using this ...

    Text Solution

    |

  4. Table given below shows a part of the periodic table: Using this ...

    Text Solution

    |

  5. Explain the following term- Sericulture

    Text Solution

    |

  6. Two elements X and Y belong to group 1 and 2 - respectively in the sam...

    Text Solution

    |

  7. Two elements X and Y belong to group 1 and 2 - respectively in the sam...

    Text Solution

    |

  8. Two elements X and Y belong to group 1 and 2 - respectively in the sam...

    Text Solution

    |

  9. Two elements X and Y belong to group 1 and 2 - respectively in the sam...

    Text Solution

    |

  10. Two elements X and Y belong to group 1 and 2 - respectively in the sam...

    Text Solution

    |

  11. Two elements X and Y belong to group 1 and 2 - respectively in the sam...

    Text Solution

    |

  12. Lithium, sodium potassium are all metals that react with water to libe...

    Text Solution

    |

  13. Explain the following term- Rearing.

    Text Solution

    |

  14. An atom has electronic configuration 2,8,7. What is the atomic number ...

    Text Solution

    |

  15. The formula of magnesium oxide is Mgo. State the formula of barium nit...

    Text Solution

    |

  16. What is metalloid ?

    Text Solution

    |

  17. Fill in the blanks- Due to in clinical thermometer, mercury does not ...

    Text Solution

    |

  18. Fill in the blanks- is the solid wate collected from waste water duri...

    Text Solution

    |

  19. Write newland's law of octaves for classification of elements.

    Text Solution

    |

  20. Why Newland's law, is called "Law of Octaves."?

    Text Solution

    |