Hg Hg

Most of the remaining 40 radioisotopes have half lives that are less than a day. Mercury looks pretty in its shiny fast moving liquid form but don t touch. In this story the boy wells is dying of consumption but is cured by a time travelling martin stein.

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Wells as a young boy appears in the legends of tomorrow episode the magnificent eight.

Hg hg. There are seven stable isotopes of mercury 80 hg with 202 hg being the most abundant 29 86. It is commonly known as quicksilver and was formerly named hydrargyrum h aɪ ˈ d r ɑːr dʒ ər ə m hy drar jər əm. Mercury in the environment.

The longest lived radioisotopes are 194 hg with a half life of 444 years and 203 hg with a half life of 46 612 days. Atomic number 80 atomic weight 200 59 melting point 38 87 c 37 97 f boiling point 356 9 c 674 f specific gravity 13 5 at 20 c 68 f valence 1 2 electron configuration 2 8 18 32 18 2 or. It is the pressure exerted by a column of mercury 1 inch 25 4 mm in height at the standard acceleration of gravity conversion to metric units depends on the temperature of mercury and hence its density.

Mercury hg chemical element liquid metal of group 12 iib or zinc group of the periodic table. It rarely occurs free in nature and is found mainly in cinnabar ore hgs in spain russia italy china and slovenia. Mercury fulminate hg cno 2 is used as a detonator.

199 hg and 201 hg are the most often studied nmr active nuclei having spin quantum numbers of 1 2. The only other element that is liquid under these. Inch of mercury inhg and hg is a unit of measurement for pressure it is used for barometric pressure in weather reports refrigeration and aviation in the united states.

Mercury is a chemical element with the symbol hg and atomic number 80. High german the symbol for mercury. A heavy silvery d block element mercury is the only metallic element that is liquid at standard conditions for temperature and pressure.

First used as a priming composition in small. Although not an si unit the millimetre of mercury is still routinely used in medicine meteorology aviation and many other scientific fields. Mercury ii fulminate or hg cno 2 is a primary explosive it is highly sensitive to friction heat and shock and is mainly used as a trigger for other explosives in percussion caps and blasting caps.

Hg synonyms hg pronunciation hg translation english dictionary definition of hg. It is denoted mmhg or mm hg. Wells 2016 wells is played by ray winstone.

Hemoglobin american heritage dictionary of the english language fifth. It can be extremely poisonous to humans. The symbol hg that mercury is known by comes from its greek name hydrargyrum.

In the four part series the nightmare worlds of h. Mercury ii cyanate though its empirical formula is identical has a different atomic arrangement. A millimetre of mercury is a manometric unit of pressure formerly defined as the extra pressure generated by a column of mercury one millimetre high and currently defined as exactly 133 322 387 415 pascals.

Mercury occurs uncombined in nature to a limited extent. The cyanate and fulminate anions are isomers. World production of mercury is around 8 000 tonnes per year.