Which of the Halogens, with the atomic number 17, is missing from - Flourine, Bromine, Iodine and Astatine?
which of the halogens, with the atomic number 17, is missing from - flourine, bromine, iodine and astatine
FreebaseQA-train-8770.P0
halogens
halogen
m.03gcp
chemistry.chemical_series.elements
m.025tkqp
chlorine