Search results
Results From The WOW.Com Content Network
Astatine is a chemical element; it has symbol At and atomic number 85. It is the rarest naturally occurring element in the Earth's crust, occurring only as the decay product of various heavier elements. All of astatine's isotopes are short-lived; the most stable is astatine-210, with a half-life of 8.1 hours.
Astatine, 85 At; Astatine ... Element category (also header bg color) (sets header bg color, over 'series='-color) Group Period Block Electron configuration ...
Astatine: Radon: Francium: Radium: Actinium: Thorium: ... Each cell is wikilinked to the element's article, and the background color is the category as used (commonly ...
Astatine is the least likely element to ever get any image whatsoever. At least for all the elements below 100, there is something. A picture of a compound, a picture of a very small amount, or an energy emission image. But for astatine, there is nothing.
Several of the CPK colors refer mnemonically to colors of the pure elements or notable compound. For example, hydrogen is a colorless gas, carbon as charcoal, graphite or coke is black, sulfur powder is yellow, chlorine is a greenish gas, bromine is a dark red liquid, iodine in ether is violet, amorphous phosphorus is red, rust is dark orange-red, etc.
Crayola is making colorful history! For the first time in the company’s more than 120-year history, the brand is bringing back eight previously retired colors. Dandelion, Blizzard Blue, Magic ...
Astatine compounds are compounds that contain the element astatine (At). As this element is very radioactive, few compounds have been studied. Less reactive than iodine, astatine is the least reactive of the halogens. [1]
You can customize the bag with up to 10 letters of embroidery, and you even get to choose the thread color for a fully personalized design. $35 at L.L.Bean. Etsy. Custom Engraved Watch Box.