Search results
Results from the WOW.Com Content Network
Astatine: 7: 3×10 −20 [i] (8.31 × 10 −4 kg) Not traded. Only under a tenth of microgram of astatine has ever been produced. [44] Most stable isotope has half-life of 8.1 hours. 86: Rn: Radon: 0.00973: 4×10 −13 [i] (1.108 × 10 4 kg) Not traded. Used in brachytherapy until 1960s, [59] currently radon is not used commercially. [60] 87 ...
[j] The total amount of astatine in the Earth's crust (quoted mass 2.36 × 10 25 grams) [108] is estimated by some to be less than one gram at any given time. [8] Other sources estimate the amount of ephemeral astatine, present on earth at any given moment, to be up to one ounce [ 109 ] (about 28 grams).
Astatine compounds (7 P) I. Isotopes of astatine (79 P) Pages in category "Astatine" The following 3 pages are in this category, out of 3 total.
Usually parameters reproduce the value, and the template adds the SI unit or additional standard text. While the topic is technical, we can strive to make the result readable text, and even verbose. For example, this is why the template writes "(at 0 °C)". For this, you may want to experiment with parameter input too - or propose improvements.
Here is a look at how much that $100 would be worth in the future under Wood's various price targets. Bear Case, $258,500: $100 today would be worth $289.52, up 189.5%.
A six-ounce cut of top sirloin, for instance, contains calcium, selenium, niacin, vitamin B6, folate, and phosphorus, plus 646 milligrams of potassium and a whopping 51 grams of protein, per the U ...
Astatine compounds are compounds that contain the element astatine (At). As this element is very radioactive, few compounds have been studied.
How Much Is a 1-Pound Meteorite Worth? ... Meteorites from the Moon are even more valuable. A 406-gram lunar meteorite sold for $189,000. That works out to more than $200,000 per pound.