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
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 ...
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/
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)
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
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.
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 ...
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
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
... 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 ...