Symbol of material used in conventional glass thermometers is

The correct answer is Hg.

Key Points

• Hg stands for Mercury.
• Mercury is a chemical element with the symbol Hg and atomic number 80.
• It is commonly used in thermometers due to its ability to expand and contract uniformly with temperature changes.
• Mercury remains in liquid form at a wide range of temperatures, making it ideal for use in thermometers.

Important Points

• Mercury is a heavy, silvery d-block element that is liquid at room temperature.
• It has been used in thermometers, barometers, and other scientific instruments.
• Mercury is also used in dental amalgams, fluorescent lighting, and some electrical switches.
• Due to its toxicity, the use of mercury is being phased out in many applications in favor of safer alternatives.

Additional Information

• Mg: Magnesium is a chemical element with the symbol Mg and atomic number 12. It is not used in conventional glass thermometers.
• Mn: Manganese is a chemical element with the symbol Mn and atomic number 25.