Pulmonary arterial hypertension is a rare but severe disease with an estimated five-year survival rate of only 57% after diagnosis, according to the Registry to Evaluate Early And Long-term PAH disease management (REVEAL), which registers data from patients in the United States.
Concentration of elements in the ocean relative to the total concentration in the bulk silicate Earth (BSE). Of all the elements, only Cl and Br have a significant fraction in the ocean (see inset), indicating the extreme hydrophilic character for the heavier halogens.
Where Is Chlorine Found On The Periodic Table? ThoughtCo, Feb. 28, 2017, thoughtco.com/chlorine-found-on-the-periodic-table-606126. Helmenstine, Anne Marie, Ph.D. (2017, February 28). Where Is Chlorine Found On The Periodic Table? Retrieved from https://www.thoughtco.com/chlorine-found-on-the-periodic-table-606126 Helmenstine, Anne Marie, Ph.D. Where Is Chlorine Found On The Periodic Table? Chlorine's location in the periodic table of the elements. Todd Helmenstine Chlorine is the 17 th element on the periodic table.