What is the colour of iodine solid?

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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 colour of iodine solid?

Explanation:
In solid form, iodine appears as a dark grey crystalline solid. The color is due to how the solid's light-absorbing electrons interact with light, giving a grey, almost metallic look. Iodine readily sublimes to form a purple-colored vapor, which is where the purple description comes from, not from the solid. White or yellow aren’t characteristic colors for solid iodine, so grey is the best match for its solid appearance.

In solid form, iodine appears as a dark grey crystalline solid. The color is due to how the solid's light-absorbing electrons interact with light, giving a grey, almost metallic look. Iodine readily sublimes to form a purple-colored vapor, which is where the purple description comes from, not from the solid. White or yellow aren’t characteristic colors for solid iodine, so grey is the best match for its solid appearance.

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