mercury
chemical element with symbol Hg and atomic number 80
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Summary
mercury is a chemical element[1]. mercury ranks in the top 2% of chemical element entities by monthly Wikipedia readership (43,380 views/month).[2]
Key Facts
- Instance of: superconducting element[3], chalcophile element[4]
- Named after: water[5], silver[6], Mercury[7]
- Made from material: cinnabar[8], metacinnabar[9], sphalerite[10], corderoite[11], livingstonite[12]
- Canonical SMILES: [Hg][13]
- Element symbol: Hg[14]
- Chemical formula: Hg[15]
- Subclass of: post-transition metal[16], d-block[17]
- Part of: period 6[18], group 12[19], mercury (II) reductase activity[20], tailings[21], transition metal[22]
- Has use: nuclear reactor coolant[23]
- Commons category: Mercury (element)[24]
- Unicode character: 汞[25], ☿[26]
- Crystal system: trigonal crystal system[27]
- Point group: ditrigonal scalahedral[28]
- Space group: space group R-3m[29]
- Topic's main category: Category:Mercury (element)[30]
- Magnetic ordering: diamagnetism[31]
- Commons gallery: Mercury (element)[32]
- Atomic number: 80[33]
- Electronegativity: 2[34]
- Oxidation state: -2[35], 1[36], 2[37]
- Described by source: Armenian Soviet Encyclopedia[38], Otto's encyclopedia[39], Gujin Tushu Jicheng[40], Brockhaus and Efron Encyclopedic Dictionary[41], Small Brockhaus and Efron Encyclopedic Dictionary[42], Meyers Konversations-Lexikon, 4th edition (1885–1890)[43], Encyclopædia Britannica 11th edition[44], The Domestic Encyclopædia; Or, A Dictionary Of Facts, And Useful Knowledge[45], Granat Encyclopedic Dictionary[46]
- Has effect: mercury poisoning[47]
Body
Influence
Things named for mercury include red mercury[48], a fictional material[49], in Soviet Union[50]; millimetre of mercury[51], an unit of pressure[52]; and inch of mercury[53], an unit of pressure[54].
Why It Matters
mercury has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[55] mercury is known by 77 alternative names across languages and contexts.[56]
Entities named for mercury include red mercury[48], a fictional material[49], in Soviet Union[50]; millimetre of mercury[51], an unit of pressure[52]; and inch of mercury[53], an unit of pressure[54].