This table lists the elements by their name and gives some historical prices for
them and their commonly traded compounds. The first of the two price columns
shows the price in US dollars per kg of ...
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'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 ...
RADON. to Elements Alphabetical Listing ... 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.
You can't buy it. The most stable isotope of radon has a half-life of about 4 days (
contrast this with the first element most people think of when they hear the word ...
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 ...
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 ...
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
Nov 17, 2015 ... There probably aren't more than a few grams of Francium on the Earth at any
given ... since it decays into radon (a not very nice gas that causes lung cancer)
and astatine (which ... How much does it cost to manufacture a gram of graphene
? ... But estimated should be in the billion dollars range per 100g.
The average (mean) radon level in US homes is 1.25 pCi/L, or three times higher
than ... It is expressed in picoCuries per liter of air, or "pCi/L". A Curie is a unit of
radioactivity equivalent to 1 gram of radium and the prefix "pico" .... The "action"
limit is based on the average cost of a radon mitigat...