Mercury, also called quicksilver, is a chemical element in the periodic table that has the symbol Hg and atomic number A heavy, silvery, transition metal, mercury is one of five elements that are liquid at or near room temperature. Mercury is used in thermometers, barometers and other scientific apparatus, although the use of mercury in thermometers has been largely phased out in clinical and scientific environments in favor of alcohol-filled, digital or thermistor-based replacements due to concerns about the element's toxicity. Mercury, like lead, is a neurotoxin, and elevated blood mercury levels have led to retardation and deformities in children. Reference Terms.
Sodium was first discovered and isolated by Sir Humphry Davy in You could also find sodium by knowing its electron configuration which is [Ne] 3s1. Sodium physical properties are that it is silver in color and is a soft metal, so soft that in its pure form it could be cut with a knife. Its atomic mass is Oxygen melts at It contains 8 protons, electrons, and neurtons. It is also classified as a nonmetal, which has 2 energy levels.
Worried about plagiarism? Read this. Help Login Sign Up. As anyone who's ever broken a thermometer can attest, mercury is a very fascinating substance.
Free essays available online are good but they will not follow the guidelines of your particular writing assignment. If you need a custom term paper on Science Research Papers: Mercury , you can hire a professional writer here to write you a high quality authentic essay. While free essays can be traced by Turnitin plagiarism detection program , our custom written essays will pass any plagiarism test. Our writing service will save you time and grade. Mercury Mercury is a metallic element that is a liquid at room temperature, it is one of the transition elements.