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Rhodium is a hard, silvery, durable metal that has a high reflectance. Rhodium metal does not normally form an oxide, even when heated. [25] Oxygen is absorbed from the atmosphere only at the melting point of rhodium, but is released on solidification. [26] Rhodium has both a higher melting point and lower density than platinum.
Rhodium is a chemical element that is a rare, silvery-white, hard, and chemically inert transition metal and a member of the platinum group. It has the chemical symbol Rh and atomic number 45. It is composed of only one isotope, 103 Rh. Naturally occurring rhodium is found as the free metal, alloyed with similar metals, and never as a chemical ...
List of culinary herbs and spices; List of culinary nuts; List of dried foods; List of edible seeds; List of snack foods; List of vegetables; Local food – Food produced within a short distance of where it is consumed; Neolithic Revolution – Transition in human history from hunter-gatherer to settled peoples; New World crops – Crops native ...
William Hyde Wollaston FRS (/ ˈ w ʊ l ə s t ən /; 6 August 1766 – 22 December 1828) was an English chemist and physicist who is famous for discovering the chemical elements palladium and rhodium.
This is a list of ancient dishes, prepared foods and beverages that have been recorded as originating in ancient history. The span of recorded history is roughly 5,000 years, beginning with Sumerian cuneiform script, the oldest discovered form of coherent writing from the protoliterate period around 3,000 to 2,900 years BCE.
Various foods. This is a categorically organized list of foods. Food is any substance consumed to provide nutritional support for the body. [1] It is produced either by plants, animals, or fungi, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, and minerals.
Chahida Boufaied, owner of Dar Chahida Lel Oula, prepares the Harissa in her house in Nabeul, Tunisia, Jan. 7, 2025. (AP Photo/Ons Abid)
The instant noodle was invented by Momofuku Ando of Nissin Foods in Japan, and launched the same year. Grains Japan 1958 The first conveyor belt sushi restaurant, Mawaru Genroku Sushi, opens in Higashiosaka. [121] Fast food Japan 1953 Daim chocolate caramel almond bar introduced Confections Sweden 1958 Nestle Nestum introduced Grains Portugal 1959