Which statement best matches pale yellow gas in the data set?

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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

Which statement best matches pale yellow gas in the data set?

Explanation:
Halogen gases have distinct colors in the gas phase, which helps identify them. Fluorine gas is a pale yellow diatomic molecule, while chlorine gas is greenish-yellow, bromine is a liquid at room temperature, and iodine is a solid (with purple vapor when heated). So the pale yellow gas in the data set matches fluorine gas, because among common gases shown, fluorine is the one that appears pale yellow.

Halogen gases have distinct colors in the gas phase, which helps identify them. Fluorine gas is a pale yellow diatomic molecule, while chlorine gas is greenish-yellow, bromine is a liquid at room temperature, and iodine is a solid (with purple vapor when heated). So the pale yellow gas in the data set matches fluorine gas, because among common gases shown, fluorine is the one that appears pale yellow.

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