Mercury is commonly used in thermometers due to its unique properties, such as its ability to expand uniformly with temperature changes. However, due to its toxicity, digital thermometers with safer alternatives like alcohol or gallium are now more widely used.
Mercury is the element commonly used in liquid-in-glass thermometers.
Mercury.
Mercury used to be a popular element for thermometers, but I think it's illegal to make a mercury thermometer because if you break one you have a hazardous situation on your hands. Today thermometers that contain liquid, almost always contain alcohol.
Mercury (Atomic number 80) is still used in some thermometers.
Mercury
This chemical element is mercury.
Mercury. It isn't used much these days in thermometers these days as it is very toxic.
Thermometers can be calibrated to measure temperature in Celsius, Fahrenheit, or Kelvin. Most common thermometers used for everyday purposes usually measure temperature in Celsius.
mercury
Alcohol is most common in modern thermometers. Early thermometers used mercury, but these pose a possible health threat. Today, both are being replaced by electronic instruments.
I'm not sure that "most used element" is a thing. Most used in what?Hydrogen is the most common element in the universe, but I have no idea what you mean by "most used."