Which of these is a physical property? A) ability to burn a piece of paper

B) pure sodium reacts violently with water

C) the boiling point of water is 100’C

D) helium does not tend to react with anything

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%

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

Based on its chemical properties, identify the position of each chemical family on the periodic table.