The Elements: Mercury

Mercury is a shiny, reflective metal with the same abundance as silver, but it is highly toxic. Historically, it was used in hat making, leading to the phrase 'mad as a Hatter'. Today, mercury is used in thermal monitors and batteries. Its density allows objects like steel bolts to float on its surface, making it one of the most beautiful and elusive elements.

What is the state of mercury at room temperature?

Why did hat makers in the 19th century go mad?

In what modern applications is mercury used?

What is notable about the density of mercury?

How is mercury described in terms of its beauty and elusiveness?