Physical Properties

• Physical State: Mercury is the only metal that is liquid at room temperature.
• Color: It has a silvery-white appearance.
• Density: It is a very dense element, often used as a measure of density for other substances.
• Melting Point: Mercury has a low melting point of -38.83°C, making it useful in thermometers.
• Boiling Point: Its boiling point is 356.73°C.

Chemical Properties

• Reaction with Air: Mercury does not react with air at room temperature.
• Reaction with Acids: It reacts with acids to form salts and water.
• Reaction with Halogens: Mercury reacts with halogens to form mercury halides.
• Corrosion: It does not corrode or tarnish easily.

Uses

• Thermometers: Mercury is used in traditional thermometers due to its unique physical properties.
• Dental Fillings: It has been used in dental amalgams, although this use has decreased due to health concerns.
• Electrical Equipment: It has been used in some electrical switches and rectifiers.
• Artisanal and Small-Scale Gold Mining: Unfortunately, mercury is also used in this process, leading to environmental and health issues.

Health and Environmental Concerns

• Health Effects: Mercury exposure can lead to neurological and developmental damage, especially in fetuses and young children.
• Environmental Impact: Mercury pollution can contaminate water and soil, leading to harmful effects on wildlife and ecosystems.
• Regulations: Many countries have implemented regulations to limit the use and release of mercury to protect human health and the environment.

[Mercury] Related Worksheets and Study Guides:

• Our Solar SystemEarth Science • High School