Is the H-O bond polar or non polar? *
A. Polar
B. Non Polar

What are the major types of a chemical compound

Find the mass, in grams, of 5.00*10^23 molecules of f2

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.