Home
Class 9
CHEMISTRY
Give reasons. Alkali metals and haloge...

Give reasons.
Alkali metals and halogens do not occur free in nature.

Promotional Banner

Topper's Solved these Questions

  • THE PERIODIC TABLE

    ICSE|Exercise TOPIC 1 Modern Periodic Table and its Periodicity (1 Mark Questions ) |25 Videos

  • THE PERIODIC TABLE

    ICSE|Exercise TOPIC 1 Modern Periodic Table and its Periodicity (2 Marks Questions ) |50 Videos

  • THE PERIODIC TABLE

    ICSE|Exercise TOPIC 2 Studying Individual Groups (5 Marks Questions) |34 Videos

  • THE LANGUAGE OF CHEMISTRY

    ICSE|Exercise EXCERCISE 1(C ) (Correct the following statement)|21 Videos

  • WATER

    ICSE|Exercise TOPIC 2 Solution (5 MARKS QUESTIONS)|5 Videos

Similar Questions

Explore conceptually related problems

The alkali metals

The alkali metals

Give reasons for the following: a. Alkli metals do not occur free in nature. b. Alkali metal salts impart characteristic colour to the flame. c. Caesium is used in photoelectric cell. d. Alkali metals are good reducing agents in aqueous medium.

Give reasons. Alkali metals are kept in inert solvent.

Give reason: Alkali metals are good reducing agents

Name some elements that can occur free in nature

Name some elements that can occur free in nature

Give reasons why? Alkali metals are good reducing agent.

Why do lithium and sodium not occur in free state in nature ?

Assertion (A): Alkali metals do not occur in native state. Reason (R ): Alkali metlas are highly reactive elements.

ICSE-THE PERIODIC TABLE -EXERCISE 5(C)
  1. Write the electronic configuration of the first two alkaline earth met...

    Text Solution

    |

  2. Give reasons. Alkali metals are kept in inert solvent.

    Text Solution

    |

  3. Give reasons. Alkali metals and halogens do not occur free in nature...

    Text Solution

    |

  4. Give reasons. Alkali and alkaline earth metal compounds usually form...

    Text Solution

    |

  5. Give reasons. Inert gases do not form compounds

    Text Solution

    |

  6. Arrange the following: Elements of group 1, in increasing order of r...

    Text Solution

    |

  7. Arrange the following: Elements of group 17, in decreasing order of ...

    Text Solution

    |

  8. Arrange the following: He, Na, Mg (increasing order of melting point...

    Text Solution

    |

  9. Arrange the following: Chlorine, sodium, magnesium (increasing reduc...

    Text Solution

    |

  10. State the nature of compounds formed when group 17 elements combine wi...

    Text Solution

    |

  11. Why group 17 elements are highly reactive ?

    Text Solution

    |

  12. How many electrons do inert gases have in their valence shells ?

    Text Solution

    |

  13. Name an element of group 18 which can form compounds.

    Text Solution

    |

  14. Name the gas used in : filling balloons

    Text Solution

    |

  15. Name the gas used in : light bulbs

    Text Solution

    |

  16. Name the gas used in : bright coloured advertising light works

    Text Solution

    |

  17. Why group 17 elements are called halogens?

    Text Solution

    |

  18. Comment on the (i) reactivity (ii) colour and (iii) physical state of ...

    Text Solution

    |

  19. Two elements 'P' and 'Q' belong to the same period of the modern perio...

    Text Solution

    |

  20. Tow elelments 'I' and 'Q' belong to the same periiod of the modern per...

    Text Solution

    |