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n. mercury (metallic chemical element)

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Noun
1. a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures
(synonym) mercury, hydrargyrum, Hg, atomic number 80
(hypernym) metallic element, metal
(substance-holonym) cinnabar

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Adjective
1. liable to sudden unpredictable change; "erratic behavior"; "fickle weather"; "mercurial twists of temperament"; "a quicksilver character, cool and willful at one moment, utterly fragile the next"
(synonym) erratic, fickle, mercurial, quicksilver(a)
(similar) changeable, changeful

(a.)
The metal mercury; -- so called from its resemblance to liquid silver.
  

General Information:
 Chemical Formula:
Hg
 Composition:
(Molecular Weight = 200.59 gm)
Mercury 100.0 % Hg
 Empirical Formula:
Hg
 Environment:
Secondary mineral resulting from oxidation of cinnabar deposits.
 Locality:
Most notable occurrences are Almaden mines in Spain and the Idria mines in Yugoslavia.
 Name Origin:
From the Arabic.
Physical Properties:
 Cleavage:
None
 Color:
tin white or gray white.
 Density:
13.6
 Diaphaniety:
Opaque
 Habits:
Liquid - Occurs as a liquid at room temperatures., ,
 Hardness:
0 - Liquid
 Luminescence:
None.
 Luster:
Metallic
 Streak:
none
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