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Radon is a chemical element with symbol Rn and atomic number 86. It is a radioactive, ..... The average concentration of radon in the atmosphere is about 6 ×10<sup>−20</sup> .....

#86 - Radon - Rn


Melting Point, -71.0° C. Boiling Point, -61.8° C. Density, 9.73 grams per cubic centimeter. Normal Phase, Gas. Family, Noble Gases. Period, 6. Cost, $4 per m ...

ELEMENT: RADON - Radiochemistry Society


Radon-222, from radium, has a half-life of 3.823 days and is an alpha emitter; Radon-220, emanating naturally from thorium ... On the average, one part of radon is present ot 1 x 1021 part of air. ... Radon is available at a cost of about $4/ mCi.

Convert volume to weight: Radon - Conversions and Calculations


Convert radon volume to its weight. ... gram, 2.3, pound, 0.01 ... Honey Puffs weigh(s) 31.7 gram per (metric cup) or 1.06 ounce per (US cup), and contain(s) 349 ...

Radon - Idaho State University


Cannisters remain the method of choice for use by the average homeowner. ... The societal cost of testing and mitigation at the EPA recommended level (4 ... as the concentration of radon in units of picocuries per liter of air (pCi/liter), or in SI units as ..... 40 pCi/gram (about 50 times greater than average concentration in soil).

What is the current market value of 1 kg of radium Ra-226 ...


Aug 7, 2013 ... Gram for gram it is about 3 illion times more radioactive than uranium. ... It emits Radon an inert gas which is also dangerously radioactive and is difficult to contain. ... You will find prices for radium on the internet, but I'm not sure there is a ... Hard to imagine the need for 1 Kg. Price? about $25 000 US/gm.

It's Elemental - The Element Radon


The Element Radon - Basic Physical and Historical Information. ... Density: 0.00973 grams per cubic centimeter. Phase at Room Temperature: Gas ... On average, the earth's atmosphere is 0.0000000000000000001% radon. When cooled to ...

Radium - Chemistry Department - Pomona College


What does it look like? Radium, when in its pure metal ... to $10,000 per gram. Since it does not exist in its pure form now, there is no standard price per gram. ... The product of its disintegration is radon gas, which is chemically inert. As radium  ...

Technologies and Costs for the Removal of Radon from Drinking ...


Radon Removal Costs: Provides information on available cost models used for costing various ... One rad equals the deposition of 100 ergs per gram of irradiated material. .... Since radon does not bond to water molecules, it is not solubilized.

Collecting the chemical elements


... that the price of the form he needs is $100 per gram, with a minimum order of 10 ... cost and rarity, it would be necessary to settle for much less. After some 18 ...

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Radon - Chemicool


Radon's properties, discovery, videos, images, states, energies, appearance and characteristics. ... Radon. Average radioactivity intensity in the world's atmosphere caused by radon. 86. Rn. (222) ... Cost, pure: $ per 100g. Cost, bulk: $ per ...

How much does the element radium cost per gram? | Reference.com


An average cost of radium does not exist as it does not exist in its pure form. ... Radon is an odorless, colorless and tasteless noble gas that does not react with ...

Pictures, stories, and facts about the element Radon in the Periodic ...


Photographs and descriptions of many samples of the element Radon in the Periodic Table. ... Continuous electronic radon gas monitor that reads out in Pico- curies per liter. ... Price: $120. Size: 5 ... The samples (except gases) weigh about 0.25 grams each, and the whole set comes in a very nice wooden box with a printed ...