Elemental mercury is a shiny, silver-white metal that is a liquid at room temperature and is traditionally used in thermometers and some electrical switches. If not enclosed, at room temperature some of the metallic mercury will evaporate and form mercury vapours. Mercury vapours are colourless and odourless.
How much time need to pass for an AR account to be considered delinquent? The amount of time required to pass for an AR account to be  considered delinquent is 30 days.
1 This status can act a bit like a red flag to both you and the lender. 2  After a payment reaches 90 days past due the delinquent status will be reported to the three major credit bureaus and a mark negative mark will be added to your credit report.  After 270 days past due, a student loan is considered to be in default.