What charge does nitrogen form when it satisfies the octet rule? A: 3
B: -3
C: 5
D: -5

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%

Enzymes affect the reactions in living cells by changing the

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat