Fluorine is a pale yellow gas at room temperature. It is highly toxic and can cause severe burns. It is also used in a variety of industrial processes, such as the production of hydrofluoric acid and refrigerants.

Which one is the most reactive gaseous element? A. Chlorine B. Bromine C. Iodine D. Flourine

Chlorine

Bromine

Iodine

Flourine

Answer is Right!

Answer is Wrong!

The correct answer is $\boxed{\text{fluorine}}$. Fluorine is the most reactive element in the periodic table, and it is also the most electronegative element. This means that it has a strong tendency to attract electrons, and it will react with most other elements to form compounds. Chlorine, bromine, and iodine are all less reactive than fluorine, and they will only react with certain elements.

Fluorine is a pale yellow gas at room temperature. It is highly toxic and can cause severe burns. It is also used in a variety

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Chlorine is a greenish-yellow gas at room temperature. It is less toxic than fluorine, but it can still cause respiratory problems. It is used in a variety of industrial processes, such as the production of bleach and PVC.

Bromine is a reddish-brown liquid at room temperature. It is less reactive than chlorine, but it can still cause skin and eye irritation. It is used in a variety of industrial processes, such as the production of flame retardants and pharmaceuticals.

Iodine is a purple-black solid at room temperature. It is the least reactive of the halogens, and it is not very toxic. It is used in a variety of industrial processes, such as the production of antiseptics and dyes.

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