what is mercury the element?

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Asked 9/25/2008 12:07:47 PM

Updated 8/7/2018 7:33:17 PM

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Flagged by emdjay23 [8/7/2018 7:33:17 PM]

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User: what is mercury the element?

Weegy: Mercury will solidify (freeze) at -38.83 ?C (-37.89 ?F) and so may only be used at higher temperatures. Mercury, unlike water, does not expand upon solidification and will not break the glass tube, making it difficult to notice when frozen. [ If the thermometer contains nitrogen the gas may flow down into the column and be trapped there when the temperature rises. If this happens the thermometer will be unusable until returned to the factory for reconditioning. To avoid this some weather services require that all mercury thermometers be brought indoors when the temperature falls to -37 ?C (-34.6 ?F). In areas where the maximum temperature is not expected to rise above -38.83 ?C (-37.89 ?F) a thermometer containing a mercury-thallium alloy may be used. This has a solidification (freezing) point of -61.1 ?C (-78 ?F). ]

User: what danger could mercury the element cause bi using it?

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Asked 9/25/2008 12:07:47 PM

Updated 8/7/2018 7:33:17 PM

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Mercury is a chemical element with symbol Hg and atomic number 80; it is commonly known as quicksilver and was formerly named hydrargyrum.

Added 8/7/2018 7:33:16 PM

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