What is the color of fluorine gas?

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Study for the IGCSE Edexcel Chemistry Test. Access flashcards and multiple choice questions with hints and explanations. Get ready for your exam!

Multiple Choice

What is the color of fluorine gas?

Explanation:
Fluorine gas appears as a pale yellow color at room temperature. This pale yellow tint comes from the way the gas interacts with visible light, transmitting mostly yellow light while absorbing some other wavelengths. Among the halogens, chlorine looks greenish‑yellow, bromine as a reddish‑brown vapor, and iodine as a violet vapor; fluorine is the pale yellow one.

Fluorine gas appears as a pale yellow color at room temperature. This pale yellow tint comes from the way the gas interacts with visible light, transmitting mostly yellow light while absorbing some other wavelengths. Among the halogens, chlorine looks greenish‑yellow, bromine as a reddish‑brown vapor, and iodine as a violet vapor; fluorine is the pale yellow one.

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