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Science
Chemistry
Chemical elements
p-Block
Group 17
Group 17
Astatine
Chemical element with atomic number 85 (At)
Bromine
Chemical element with atomic number 35
Chlorine
Chemical element with atomic number 17
Fluorine
Chemical element with atomic number 9 and a atomic mass of 19
Halogen
Group of chemical elements
Iodine
Chemical element with atomic number 53
Isotopes of fluorine
Imaging
Tennessine
Synthetic radioactive chemical element with atomic number 117 and symbol Ts