Group 17

Chemistry Learning, O and A level Chemistry Courses / By

Physical Properties of the Group 17 Elements 1. Colours and Trend in Volatility of Cl₂, Br₂, I₂ Element Colour (at room temperature) Physical State Volatility Cl₂ Pale green gas Gas High (most volatile) Br₂ Red-brown liquid Liquid Moderate I₂ Shiny grey-black solid (purple vapour) Solid Low (least volatile) 2. Trend in Bond Strength of Halogen […]

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