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  2. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    When there is no public data on the element in its pure form, price of a compound is used, per mass of element contained. This implicitly puts the value of compounds' other constituents, and the cost of extraction of the element, at zero. For elements whose radiological properties are important, individual isotopes and isomers are listed. The ...

  3. Boron - Wikipedia

    en.wikipedia.org/wiki/Boron

    An intake of 4 g/day of boric acid was reported without incident, but more than this is considered toxic in more than a few doses. Intakes of more than 0.5 grams per day for 50 days cause minor digestive and other problems suggestive of toxicity. [188] Boric acid is more toxic to insects than to mammals, and is routinely used as an insecticide ...

  4. Money Order Near Me: 10 Places To Get One, With Fees and ...

    www.aol.com/finance/money-order-near-10-places...

    Money Order Near Me: 10 Places To Get One, With Fees and Locations. Kelli Francis. November 11, 2022 at 5:01 PM. ... Limit: $500 per money order; $2,500 maximum per day . Fee: $1.25.

  5. Metalloid - Wikipedia

    en.wikipedia.org/wiki/Metalloid

    As of 5 April 2014, prices for small samples (up to 100 g) of silicon, antimony and tellurium, and graphite, aluminium and selenium, average around one third the cost of silver (US$1.5 per gram or about $45 an ounce). Boron, germanium, and arsenic samples average about three-and-a-half times the cost of silver.

  6. Boron arsenide - Wikipedia

    en.wikipedia.org/wiki/Boron_arsenide

    Boron arsenide (or Arsenic boride) is a chemical compound involving boron and arsenic, usually with a chemical formula BAs. Other boron arsenide compounds are known, such as the subarsenide B 12 As 2 .

  7. Chemical substance - Wikipedia

    en.wikipedia.org/wiki/Chemical_substance

    In contrast, if iron and sulfur are heated together in a certain ratio (1 atom of iron for each atom of sulfur, or by weight, 56 grams (1 mol) of iron to 32 grams (1 mol) of sulfur), a chemical reaction takes place and a new substance is formed, the compound iron(II) sulfide, with chemical formula FeS. The resulting compound has all the ...