Which one of the following elements will remain as liquid inside pure boiling water?

Question

Canvas Classes · Accepted Answer

Strategy:
 Analyze the melting points and chemical reactivity of the given elements relative to the temperature of boiling water ().

Step 1: Compare properties
- Gallium (Ga): Melting point , boiling point . In  water, it remains a liquid. (Matches)
- Bromine (Br2): Boils at . It would turn into vapor in boiling water.
- Lithium (Li): Melts at . It remains solid but reacts with water to release .
- Cesium (Cs): Melts at  but reacts explosively with water even at room temperature.

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