Halogen
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The halogens are a group in the periodic table consisting of six chemically related elements, fluorine, chlorine, bromine, iodine, and the radioactive elements astatine and tennessine, though some aut
From left to right: chlorine, bromine, and iodine at room temperature. Chlorine is a gas, bromine is a liquid, and iodine is a solid. Fluorine could not be included in the image due to its high reactivity, and astatine and tennessine due to their radioactivity.
Liquid fluorine
Chlorine in bottle
Bromine vial in acrylic cube
Tennessine
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Tennessine is a synthetic element; it has symbol Ts and atomic number 117. It has the second-highest atomic number and the joint-highest atomic mass of all known elements, and is the penultimate eleme
Halogen
…consisting of six chemically related elements, fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and the radioactive elements astatine (At) and tennessine (Ts), though some authors would exclude tennessine as its chemistry is unknown and is theoretically expected to be more like that of gallium. In the…
The berkelium target used for the synthesis (in solution)
Main campus of Hamilton's workplace, Vanderbilt University, one of the institutions named as co-discoverers of tennessine