Elements are pure substances made up of
atoms

molecules

compounds

neutrons

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%

There are main groups in the modern periodic table of elements

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball