Who invented mercury element

Dalton also noted that in series of compounds, the ratios of the masses of the second element that combine with a given weight of the first element can be reduced to small whole numbers the law of multiple proportions. This was further evidence for atoms. Dalton's theory of atoms was published by Thomas Thomson in the 3rd edition of his System of Chemistry in and in a paper about strontium oxalates published in the Philosophical Transactions.

Mercurous chloride Hg 2 Cl 2 , also called calomel, is an antiseptic used to kill bacteria. Mercuric sulfide HgS is used to make a red paint pigment called vermilion. Mercuric oxide HgO is used to make mercury batteries.

Mercury is poisonous and can enter the body through the respiratory tract, the digestive tract or directly through the skin. It accumulates in the body, eventually causing severe illness or death. Estimated Crustal Abundance : 8. Number of Stable Isotopes : 7 View all isotope data. Many inorganic and organic compounds of mercury can be formed from Hg II.

Elemental mercury is a shiny, silver-white metal that is a liquid at room temperature and is traditionally used in thermometers and some electrical switches.

If not enclosed, at room temperature some of the metallic mercury will evaporate and form mercury vapours. Mercury vapours are colourless and odourless. The higher the temperature, the more vapours will be released from liquid metallic mercury. Some people who have breathed mercury vapours report a metallic taste in their mouths. Mercury is mined as mercuric sulphide cinnabar ore.

Through history, deposits of cinnabar have been the source ores for commercial mining of metallic mercury. This vaporises the mercury in the ore, and the vapours are then captured and cooled to form the liquid metal mercury. These mercury compounds are also called mercury salts. Most inorganic mercury compounds are white powders or crystals, except for mercuric sulphide, which is red and turns black after exposure to light.

Some mercury salts such as HgCl 2 are sufficiently volatile to exist as an atmospheric gas. However, the water solubility and chemical reactivity of these inorganic or divalent mercury gases lead to much more rapid deposition from the atmosphere than for elemental mercury. Measure ad performance. Select basic ads.

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