Chemistry
Grade-9
Easy

Question

Which family of elements are the most reactive?

  1. Alkali metals
  2. Alkaline metals
  3. Halogens
  4. Noble gasses

hintHint:

Halogens are very reactive.

The correct answer is: Alkali metals


    • Alkali metals react vigorously with water.
    • Alkaline metals are reactive because they are highly electropositive.
    • Halogens are most reactive elements.
    • Noble gases have fulfilled outermost orbital, very stable and least reactivity.

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