Which nuclide is used to investigate human
thyroid gland disorders?
(1) carbon-14 (3) cobalt-60
(2) potassium-37 (4) iodine-131

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?

Find the number of moles of argon in 364g of argon.