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Question

Which is the most reactive and least reactive non metal?


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Solution

Most reactive non-metal:

  • As fluorine is the most electronegative of all the non-metals in the periodic table, therefore, it is the most reactive non-metal.
  • Fluorine has a high tendency to receive electrons from other atoms or ions due to its strong electro negativity and tiny size.
  • As a result, all other substances are oxidized.

Least reactive non-metal:

  • Helium is the least reactive of the non-metallic elements.
  • Helium is a chemical element with the atomic number 2 and the symbol He.
  • It's an inert gas that's colourless, odourless, tasteless, and non-toxic.
  • Fluorine is thus the non-metal with the highest reactivity. The non-metal helium is the least reactive.

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