Most thermometers used to contain Mercury until it was found to be toxic.
Mercury (Atomic number 80) is still used in some thermometers.
We still use colored alcohol for our liquid in everyday thermometers.
Yes, because the melting point of gallium is very low ---- 29,76460C.
It was used because it is a liquid that expands and contracts to a usable degree when heated or cooled.
Most thermometers used to contain Mercury until it was found to be toxic.
mercury
Mercury is used in thermometers.
Mercury is the element commonly used in liquid-in-glass thermometers.
Some times red coloured liquid is used but mostly gray coloured liquid is used.
Mercury is a liquid metal used in thermometers. However, it becomes a solid at -37.9 F and it can cause mercury poisoning if ingested or inhaled. Therefore, most theremometers use ethyl-alcohol or a plastic strip covered with liquid crystals (called a liquid crystal thermometer).
The two most commonly found liquids in liquid-in-glass thermometers are mercury and alcohol. Mercury thermometers are used for high-temperature applications, while alcohol thermometers are used for lower temperatures due to their lower toxicity.
Mercury
Mercury!
Mercury (Atomic number 80) is still used in some thermometers.
A thermometer is used to measure air temperature. Several types of thermometers can be used, such as liquid-in-glass thermometers, digital thermometers, and infrared thermometers.
If the liquid is silver, it is liquid mercury (Hg). If the liquid is red, it is coloured ethyl alcohol (C2H5OH).