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  2. Orders of magnitude (mass) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(mass)

    However, the names of all SI mass units are based on gram, rather than on kilogram; thus 10 3 kg is a megagram (10 6 g), ... (hg) 0.1-0.2 kg An orange (100–200 ...

  3. Mercury (element) - Wikipedia

    en.wikipedia.org/wiki/Mercury_(element)

    Mercury is a chemical element; it has symbol Hg and atomic number 80. It is also known as quicksilver and was formerly named hydrargyrum ( / h aɪ ˈ d r ɑːr dʒ ər ə m / hy- DRAR -jər-əm ) from the Greek words hydor ' water ' and argyros ' silver ' , from which its chemical symbol is derived. [ 9 ]

  4. Group 12 element - Wikipedia

    en.wikipedia.org/wiki/Group_12_element

    Hg is the modern chemical symbol for mercury. It comes from hydrargyrum , a Latinized form of the Greek word Ύδραργυρος ( hydrargyros ), which is a compound word meaning "water-silver" (hydr- = water, argyros = silver) — since it is liquid like water and shiny like silver.

  5. Hg - Wikipedia

    en.wikipedia.org/wiki/Hg

    Hg is the symbol of chemical element mercury (from its Latin name hydrargyrum). ... Hectogram, a unit of weight equal to 100 grams; Hyperemesis gravidarum, ...

  6. Hecto- - Wikipedia

    en.wikipedia.org/wiki/Hecto-

    hectogram (hg), in agronomy, for quantities of animal feed (hectogram/animal) and for measures of agricultural productivity (hectogram/hectare); also used in Italy abbreviated as etto, and in Canada, New Zealand and Sweden simply as 100 g, for retail sale of cold cuts and meat.

  7. Mercury poisoning - Wikipedia

    en.wikipedia.org/wiki/Mercury_poisoning

    Mercury poisoning is a type of metal poisoning due to exposure to mercury. [3] Symptoms depend upon the type, dose, method, and duration of exposure. [3] [4] They may include muscle weakness, poor coordination, numbness in the hands and feet, skin rashes, anxiety, memory problems, trouble speaking, trouble hearing, or trouble seeing. [1]

  8. Mercury(II) oxide - Wikipedia

    en.wikipedia.org/wiki/Mercury(II)_oxide

    Mercury(II) oxide, also called mercuric oxide or simply mercury oxide, is the inorganic compound with the formula Hg O. It has a red or orange color. It has a red or orange color. Mercury(II) oxide is a solid at room temperature and pressure.

  9. Sodium amalgam - Wikipedia

    en.wikipedia.org/wiki/Sodium_amalgam

    Sodium amalgam, with the common formula Na(Hg), is an alloy of mercury and sodium. The term amalgam is used for alloys, intermetallic compounds, and solutions (both solid solutions and liquid solutions) involving mercury as a major component. Sodium amalgams are often used in reactions as strong reducing agents with better handling properties ...