#halogens

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I hope you're happy with the hole you left after you cut me out of your lives

Astatine-211 is the isotope with the second longest known half life, and has high potential in being a canidate for chemotherapy, focused on a variety of small cluster forms.

Unlike At-210, which is much much more stable, At-211 has zero chance of decaying into Polonium-210, which is highly toxic due to its long half life and extreme radioactivity (and would therefore cause more cancer!), and instead decays into Po-211, which decays into Lead-207 within mere seconds. Along with this, it is highly likely to decay into Bismuth-207, which isn't as dangerous as Po-210 despite its beta decay and half a lifetime half-life.

The Halogens from the Periodic Table are Evil Aspec

University of Missouri scientists are unlocking the secrets of halide perovskites -- a material that's poised to reshape our future by bringing us closer to a new age of energy-efficient optoelectronics. Suchi Guha and Gavin King, two physics professors in Mizzou's College of Arts and Science, are studying the material at the nanoscale: a place where objects are invisible to the naked eye. At this level, the extraordinary properties of halide perovskites come to life, thanks to the material's unique structure of ultra-thin crystals -- making it astonishingly efficient at converting sunlight into energy. Think solar panels that are not only more affordable but also far more effective at powering homes. Or LED lights that burn brighter and last longer while consuming less energy.

Bromine (Br2) are Red/Brown fumes

F2 is Yellow 🟡