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 a notable physical property of mercury?

• It is a solid at room temperature.

• It is a gas at room temperature.

• It is a liquid at room temperature.

• It is a plasma at room temperature.

Why did the phrase 'mad as a Hatter' come into existence?

• Hat makers used mercury, which affected their health.

• Hat makers were famous for their storytelling.

• Hat makers often worked in isolation.

• Hat makers were known for their eccentric designs.

In which modern applications is mercury commonly used?

• Jewelry making and sculpture.

• Thermal monitors and batteries.

• Textile manufacturing and dyeing.

• Food preservation and cooking.

What is a unique characteristic of mercury that is demonstrated with a steel bolt?

• It can change the bolt's color.

• It can float the bolt on its surface.

• It can make the bolt magnetic.

• It can dissolve the bolt.

How is mercury often described in terms of its appearance and nature?

• Beautiful and elusive.

• Dull and common.

• Rough and opaque.

• Transparent and fragile.