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As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium. It is followed by caesium, iridium and palladium by mass and iridium, gold and platinum by volume. Carbon in the form of diamond can be more expensive than rhodium. Per-kilogram prices of some synthetic radioisotopes range to trillions of dollars.
Californium-252 has a number of specialized uses as a strong neutron emitter; it produces 139 million neutrons per microgram per minute. [27] This property makes it useful as a startup neutron source for some nuclear reactors [ 17 ] and as a portable (non-reactor based) neutron source for neutron activation analysis to detect trace amounts of ...
A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z). [ 1 ] The definitive visualisation of all 118 elements is the periodic table of the elements , whose history along the principles of the periodic law was one of the founding ...
The high radioactivity of 253 Es produces a visible glow and rapidly damages its crystalline metal lattice, with released heat of about 1000 watts per gram. Studying its properties is difficult due to 253 Es's decay to berkelium -249 and then californium-249 at a rate of about 3% per day.
The only californium ion that is stable in aqueous solutions is the californium(III) cation. [2] The other two oxidation states are IV (strong oxidizing agents) and II (strong reducing agents). [3] The element forms a water-soluble chloride, nitrate, perchlorate, and sulfate and is precipitated as a fluoride, oxalate or hydroxide. [4]
The Dubai Mercantile Exchange (DME) [1] is a commodity exchange based in Dubai currently listing its flagship futures contract, DME Oman Crude Oil Futures Contract (OQD). ). Launched in 2007, the DME aims to become the crude oil pricing benchmark for the Asian market with its Oman Crude Oil contract, like the Intercontinental Exchange’s (ICE) North Sea Brent is to Europe and the New York ...
Category: Californium. 25 languages. ... This category contains articles related to the chemical element Californium Subcategories. This category has the following 2 ...
The Dubai Diamond Exchange (DDE) was established in 2004 to facilitate the development of the diamond and coloured gems market. [6] Dubai ranks third behind Antwerp and Mumbai in the leading global diamond hubs in terms of trade, growing from $300 million (Dh1.10 billion) in trade in 2002 to $26 billion in 2016. [ 7 ]
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