Home
Class 10
CHEMISTRY
The following table represents the first...

The following table represents the first three periods of the modern periodic table . Study the table and answer the questions that follow
How many electrons are present in the valence shell of the element with the atomic number 18?

Text Solution

Verified by Experts

Ar (18) = 2, 8, 8. There are 8 electrons in the valence shell (M-shell) of Ar.
Promotional Banner

Topper's Solved these Questions

  • PERIODIC PROPERTIES OF ELEMENTS

    ICSE|Exercise QUESTIONS FOR PRACTICE ( Fill in the blanks by using correct word/term given in the brackets and rewrite the complete sentence in your notebook.) |23 Videos

  • PERIODIC PROPERTIES OF ELEMENTS

    ICSE|Exercise QUESTIONS FOR PRACTICE (Choose true and false statements:) |10 Videos

  • PERIODIC PROPERTIES OF ELEMENTS

    ICSE|Exercise QUESTION FOR PRACTICE |16 Videos

  • PERIODIC PROPERTIES AND VARIATIONS OF PROPERTIES (PHYSICAL AND CHEMICAL)

    ICSE|Exercise Questions from Previous ICSE Board Papers (2018) |5 Videos

  • PERIODIC PROPERTIES AND VARIATIONS OF PROPERTIES

    ICSE|Exercise ASSERTION AND REASON BASED QUESTIONS|5 Videos

Similar Questions

Explore conceptually related problems

The following table represents the first three periods of the modern periodic table . Study the table and answer the questions that follow: Name the element which has the highest ionisation energy.

Define a period of the modern periodic table of elements.

In the modern periodic table, elements are arranged in

How many elements are present in the d-block of the periodic table?

Total number of elements present in 5 th period of modern periodic table is

What is the number of elements in the 1^(st) period of the modern periodic table ?

How many groups are there in the modern periodic table?

What is the number of elements in the 3^(rd) period of the modern periodic table ?

In the modern periodic table, the place of the element with atomic number 31 is in:

Study the table and answer the question : Compare the positions of A and B in the Periodic Table.

ICSE-PERIODIC PROPERTIES OF ELEMENTS -ILLUSTRATIVE ASSIGNMENTS
  1. What is the electronic configuration of the element in the third perio...

    Text Solution

    |

  2. What is the name given to the energy released when an atom in its isol...

    Text Solution

    |

  3. The following table represents the first three periods of the modern p...

    Text Solution

    |

  4. The following table represents the first three periods of the modern p...

    Text Solution

    |

  5. The following table represents the first three periods of the modern p...

    Text Solution

    |

  6. What type of bonding will be present in the oxide of the element with ...

    Text Solution

    |

  7. Write the formula of the sulphate of the element with atomic number 13...

    Text Solution

    |

  8. Fill in the blanks : The atomic size as we move from left to right acr...

    Text Solution

    |

  9. The position of three elements A, B and C in the periodic table are sh...

    Text Solution

    |

  10. The position of three elements A, B and C in the periodic table are sh...

    Text Solution

    |

  11. The position of three elements A, B and C in the periodic table are sh...

    Text Solution

    |

  12. The position of three elements A, B and C in the periodic table are sh...

    Text Solution

    |

  13. Amongst the elements of period 3 : Na Mg Al Si P S Cl Ar Indicat...

    Text Solution

    |

  14. Amongst the elements of period 3 : Na Mg Al Si P S Cl Ar Indicat...

    Text Solution

    |

  15. Amongst the elements of period 3 : Na Mg Al Si P S Cl Ar Indicat...

    Text Solution

    |

  16. Amongst the elements of period 3 : Na Mg Al Si P S Cl Ar Indicat...

    Text Solution

    |

  17. A group of elements in the Periodic Table are given pelow (Boron is th...

    Text Solution

    |

  18. A group of elements in the Periodic Table are given pelow (Boron is th...

    Text Solution

    |

  19. A group of elements in the Periodic Table are given pelow (Boron is th...

    Text Solution

    |

  20. A group of elements in the Periodic Table are given pelow (Boron is th...

    Text Solution

    |