Home
Class 11
CHEMISTRY
The number of valence electrons in Alumi...

The number of valence electrons in Aluminium is

Promotional Banner

Topper's Solved these Questions

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    MODERN PUBLICATION|Exercise REVISION EXERCISE (LONG SHORT ANSWER QUESTIONS)|9 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    MODERN PUBLICATION|Exercise COMPETITION FILE (OBJECTIVE TYPE QUESTIONS (A)) (MCQs)|21 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    MODERN PUBLICATION|Exercise REVISION EXERCISE (VERY SHORT ANSWER QUESTIONS )|18 Videos

  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|13 Videos

  • ENVIRONMENTAL POLLUTION

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|15 Videos

Similar Questions

Explore conceptually related problems

The electronic configuration of an atom is 2,8,2 . The number of valence electrons in the atom is

The number of valence electrons in carbon atom is

The number of valence electrons in a sulphide ion, S^(2-) is :

The atomic number of an element is 16. Predict the number of valence electrons in its atom

The number of valence electrons in a graphite atom is :

The number of valence electrons present in Ca atom

The number of valence electrons in is ""_(15)^(31)X is

(a) Define valency of an element. What valency will be shown by an element having atomic number 14 ? (b) What is the relation between the valency of an element and the number of valence electrons in its atoms ? Explain with examples.

MODERN PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -REVISION EXERCISE (VERY SHORT ANSWER QUESTIONS (CARRYING 2 OR 3 MARKS))
  1. Water is a compound and not a mixture. Justify the statement giving tw...

    Text Solution

    |

  2. The number of elements in the 4th period of periodic table is

    Text Solution

    |

  3. The number of valence electrons in Aluminium is

    Text Solution

    |

  4. Are some essential elements more important than others? Explain.

    Text Solution

    |

  5. Which has greater ionisation energy and why-S or P?

    Text Solution

    |

  6. On moving from left to right in a period in the periodic table, the si...

    Text Solution

    |

  7. For the second period elements the correct increasing order of first i...

    Text Solution

    |

  8. Why are lanthanides and actinides place at the bottom of the periodic ...

    Text Solution

    |

  9. Why are cations smaller than neutral atom?

    Text Solution

    |

  10. Which of the following properties show gradual decrease with increase ...

    Text Solution

    |

  11. Nitrogen has positive electron gain enthalpy whereas oxygen has negati...

    Text Solution

    |

  12. Oxides formed by p-block elements may be (i) basic (ii) acidic (...

    Text Solution

    |

  13. Explain the following a) Electronegatively of elements increase on m...

    Text Solution

    |

  14. What do you understand by the terms (i) Ionization enthalpy (ii) E...

    Text Solution

    |

  15. The ionization potential (I(1)) of nitrogen (Z=7) is more than oxygen ...

    Text Solution

    |

  16. Explain the term electron gain enthalpy. Discuss the factors which inf...

    Text Solution

    |

  17. Why is ionization enthalpy of Be more than that of B? Explain.

    Text Solution

    |

  18. How does the metallic and non-metalic character vary on moving from le...

    Text Solution

    |

  19. Among alkali metals which element do you expect to be least electroneg...

    Text Solution

    |

  20. How would you explain the fact that the first ionisation enthalpy of s...

    Text Solution

    |