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This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison.
Iridium in bulk metallic form is not biologically important or hazardous to health due to its lack of reactivity with tissues; there are only about 20 parts per trillion of iridium in human tissue. [22] Like most metals, finely divided iridium powder can be hazardous to handle, as it is an irritant and may ignite in air. [66]
The birds' black color occurs as a result of excess pigmentation of the tissues, caused by a genetic condition known as fibromelanosis. [5] Fibromelanosis is also found in some other black or blue-skinned chicken breeds, such as the Silkie. [6] [7] The roosters weigh 2–2.5 kg (4.4–5.5 lb) and the hens 1.5–2 kg (3.3–4.4 lb). The hens lay ...
For example, a 3.5 ounce serving of dark meat chicken with skin has more than twice the calories of the same serving of white meat skinless chicken. It also has 18 grams of fat, as compared to 2 ...
As a stunt to publicise the 99.999% pure one-ounce Canadian Gold Maple Leaf series, in 2007 the Royal Canadian Mint made a 100 kg 99.999% gold coin, with a face value of $1 million, and now manufactures them to order, but at a substantial premium over the market value of the gold.
A white colour variety was bred in South Africa the 1930s, [10] and in Australia in the 1940s. [11] It was recognised in Australia in 2012. [ 4 ] A bantam Australorp was bred in the early 1930s by Roy Corner and Jack Mann, and was first exhibited at a poultry show in 1934.
[2]: 289 The light Sussex has a white body with a black tail and black in the flight feathers and wing coverts; the neck hackles are white with black striping. The buff has the same markings, but with greenish-black on a golden-buff ground. The silver is similar to the light, but has grey thighs and a dark breast with silver lacing.
The international prototype of the kilogram (IPK) is an artifact standard of platinum–iridium alloy that was defined as having a mass of exactly one kilogram. Platinum–iridium alloys are alloys of the platinum group precious metals platinum and iridium. Typical alloy proportions are 90:10 or 70:30 (Pt:Ir).