alleryWhich of the following is a non-metal that is a LIQUID at room temperature?
ABromine
BChlorine
CIodine
DSulphur
Answer & Solution
Correct answer: A. Bromine
1. Most non-metals are gases (H₂, O₂, N₂, Cl₂) or solids (S, P, C, I₂) at room temperature.
2. Bromine (Br₂) is the ONLY non-metal that is liquid at room temperature (25 °C).
3. Chlorine is a gas; iodine and sulphur are solids.
4. Mercury (Hg) is the only metal that is liquid at room temperature.
_Source: syllabus Science, Ch 3 "Metals and Non-metals", §3.1_
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