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Há 2 dias · The best known sulfide is iron pyrite (FeS 2), also known as fool's gold owing to its golden luster. It is not an iron(IV) compound, but is actually an iron(II) polysulfide containing Fe 2+ and S 2− 2 ions in a distorted sodium chloride structure. Pourbaix diagram of iron Halides Hydrated iron(III) chloride (ferric chloride)
Há 1 dia · Hydrogen sulfide is a chemical compound with the formula H 2 S. It is a colorless chalcogen-hydride gas, and is poisonous, corrosive, and flammable, with trace amounts in ambient atmosphere having a characteristic foul odor of rotten eggs.
Há 3 dias · Manganese is essential to iron and steel production by virtue of its sulfur-fixing, deoxidizing, and alloying properties. This application was first recognized by the British metallurgist Robert Forester Mushet (1811–1891) who, in 1856, introduced the element, in the form of Spiegeleisen .
Há 5 dias · Here, iron, tungsten dual-doped nickel sulfide catalyst (Fe/W-Ni 3 S 2) is synthesized on the nickel foam, and it exhibits excellent OER and HER performance.
Há 5 dias · Iron (Fe), chemical element and one of the transition elements, the most-used and cheapest metal. Iron makes up 5 percent of Earth’s crust and is second in abundance to aluminum among the metals. Iron, which is the chief constituent of Earth’s core, is the most abundant element in Earth as a whole.
- The Editors of Encyclopaedia Britannica
Há 4 dias · The molecular formula of iron pyrite is $Fe{S_2}$. It is also known as iron sulfide. It has an unique metallic luster and pale brass yellow colour due to which people call it fool’s gold.
Há 3 dias · Soils play a dominant role in supporting the survival and growth of crops and they are also extremely important for human health and food safety. At present, the contamination of soil by heavy metals remains a globally concerning environmental issue that needs to be resolved. In the environment, iron plaque, naturally occurring on the root surface of wetland plants, is found to be equipped ...
