Hydrogen bromide is a compound of the two elements hydrogen and bromine. It has a melting point of -87°C and a boiling point of -67°C. Bromine is one of the halogens (Group VII of the Periodic Table.) a Is hydrogen bromide a solid, a liquid or a gas at room temperature (20°C)? b Is it made of molecules, or does it have a giant structure? How can you tell? c What type of bond is formed between the hydrogen and bromine atoms in hydrogen bromide? Show this on a diagram.

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