Mercury differs from other metals primarily in that it is not solid under normal conditions, as it is the only metal that is liquid at room temperature. Here's a brief clarification of the other statements:
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It does not chemically react with other elements: This is not accurate; mercury can react with various elements and compounds, although it doesn't react vigorously with most substances.
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It is not lustrous: Mercury is actually quite lustrous and shiny, similar to other metals.
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It does not conduct electricity: Mercury is a good conductor of electricity, though not as good as some other metals like copper or silver.
Thus, the correct distinguishing characteristic of mercury from other metals is that it is liquid at room temperature.
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