Click on the element in the periodic table to
explore the atomic radii of elements from period 3
and group 17. fill in the missing values in the
table so you can compare the atomic radii of the
elements. after the table is filled in, compare the
values in each column.

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%

Which terms are used to identify pure substances

The mass of a proton is approximately equal to the mass of