an atom of chlorine has an amount number of 17 and a mass number of 37. how many protons neutrons, and electrons are in the atom?

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

Word equation for k+ h2o yield koh + h2

What does a numerical subscript following an element in a chemical formula mean?