Arrange the following atoms in order of increasing effective nuclear charge experienced by the electrons in the n=3 electron shell: k, mg, p, rh, and ti. explain the basis for your order.

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.