State of iodine at room temperature?

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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

State of iodine at room temperature?

Explanation:
At room temperature, iodine is a solid. Its melting point is about 113.7°C, and its boiling point is around 184°C, so typical room temperatures (about 20–25°C) are well below these values, keeping iodine in the solid state. Plasma would require very high energy to ionize, which isn’t present under ordinary room conditions. (Note: iodine can slowly sublimate to a violet gas, but the substance is still considered solid at room temperature.)

At room temperature, iodine is a solid. Its melting point is about 113.7°C, and its boiling point is around 184°C, so typical room temperatures (about 20–25°C) are well below these values, keeping iodine in the solid state. Plasma would require very high energy to ionize, which isn’t present under ordinary room conditions. (Note: iodine can slowly sublimate to a violet gas, but the substance is still considered solid at room temperature.)

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