Home
Class 9
CHEMISTRY
Element X has electronic configuration 2...

Element X has electronic configuration 2, 8, 18, 8, 1. Without identifying X,
predict the sign and charge on a simple ion of X.

Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE AND CHEMICAL BONDING

    ICSE|Exercise EXERCISE 4(D)|21 Videos
  • ATOMIC STRUCTURE AND CHEMICAL BONDING

    ICSE|Exercise EXERCISE 4(B)|12 Videos
  • ATMOSPHERIC POLLUTION

    ICSE|Exercise EXERCISE 8(D)|38 Videos
  • CHEMICAL CHANGES AND REACTIONS

    ICSE|Exercise EXERCISE 2(C)|30 Videos

Similar Questions

Explore conceptually related problems

Element X has electronic configuration 2, 8, 18, 8, 1. Without identifying X, write if X will be an oxidising agent or a reducing agent. Why?

An element has electronic configuration 2,8,7 What is the valency of this element.

An atom of an element has electronic configuration 2,8,1. Which of the following statement is correct ?

The electronic configuration of sodium is written as 2, 8, 1, but not 2, 9. Explain.

Where would you locate the element with electronic configuration 2,8 in the modern periodic table ?

Find the name of elements based on the electronic configuration : 2,8,8,1

8x^2 - 18 =

An element has electronic configuration 2,8,7 The element will show resemblance with which of the following elements ? N(7), F(9), P(15), Ar(18), Ca(20)

From the electronic configurations Na (2, 8, 1), Mg (2, 8, 2) and Al (2, 8, 3), answer the following questions: What is the number of valence electrons in each element?

ICSE-ATOMIC STRUCTURE AND CHEMICAL BONDING-EXERCISE 4(C)
  1. Elements X, Y and Z have atomic numbers 6, 9 and 12 respectively. Whi...

    Text Solution

    |

  2. Elements X, Y and Z have atomic numbers 6, 9 and 12 respectively. Whi...

    Text Solution

    |

  3. Element X has electronic configuration 2, 8, 18, 8, 1. Without identif...

    Text Solution

    |

  4. Element X has electronic configuration 2, 8, 18, 8, 1. Without identif...

    Text Solution

    |

  5. Define the terms: mass number

    Text Solution

    |

  6. Define the terms: ion

    Text Solution

    |

  7. Define the terms: cation

    Text Solution

    |

  8. Define the terms: anion

    Text Solution

    |

  9. Define the terms: element

    Text Solution

    |

  10. Define the terms: orbit.

    Text Solution

    |

  11. From the symbol underset(2)overset(4)"" He for the element helium, wri...

    Text Solution

    |

  12. Five atoms are labelled A to E. Which one of these atoms : (i) ...

    Text Solution

    |

  13. Five atoms are labelled A to E. Write down the formula of the com...

    Text Solution

    |

  14. Five atoms are labelled A to E. Predict : (i) metals (ii) non-met...

    Text Solution

    |

  15. An atom of an element has two electrons in the M shell. What is the (a...

    Text Solution

    |

  16. overset(24)underset(12)" " Mg and overset(26)underset(12)" " Mg are sy...

    Text Solution

    |

  17. overset(24)underset(12)" " Mg and overset(26)underset(12)" " Mg are sy...

    Text Solution

    |

  18. What are nucleons? How many nucleons are present in phosphorus ? Draw ...

    Text Solution

    |

  19. What are isotopes? With reference to which fundamental particle do iso...

    Text Solution

    |

  20. Why do overset(35)underset(17)" " CI and overset(37)underset(17)" " CI...

    Text Solution

    |