Non Metal Exists In Liquid At Room Temperature

Mercury symbol is hg and atomic number 80.

Non metal exists in liquid at room temperature. For science it s usually considered to be either 20 c or 25 c. At this temperature and ordinary pressure only two elements are liquids. Metals and non metals class 8 mcqs questions with answers. Hg symbol comes from hydrargyrum a latinized form of the greek word hydrargyros which is a compound word meaning water silver as it is commonly known as quicksilver.

Room temperature is a loosely defined term that can mean anywhere from 20 c to 29 c. However other elements such as caesium cs rubidium rb and francium fr also become liquids at a few degrees above room temperature. The most well known is mercury hg which is molten above 38 8 c 234 3 k 37 9 f. Mercury is the only metal which is in liquid state at room temperature.

Which of the following is a liquid at room temperature. This makes possible its use in high temperature thermometers. Non metals are usually poor conductors of heat and electricity. It has one of the longest liquid ranges of any metal and has a low vapour pressure even at high temperatures.

They are non lustrous non sonorous non malleable and are colour. Non metals liquid at room temperature bromine br. Elements that are liquid at 25 c. Others include caesium cs which has a melting point of 28 5 c 83 3 f rubidium rb 39 c 102 f francium fr estimated at 8 0 c 46.

Liquid metal is a metal or a metal alloy which is liquid at or near room temperature. Metals that are liquids at room temperature are mercury hg and gallium ga. A iron b bromine c iodine d phosphorus. Choose the correct option in the following questions.