What does a letter, inside parentheses, next to a molecule or element indicate (s), (g)?

a. the state of matter.

b. the electron orbital of the valence shell.

c. the chemists initials.

d. a change in energy.

The density of an unknown gas at 98°c and 740 mmhg is 2.50 g/l. what is the molar mass of the gas with work showed?

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

What is i fracture in the crust called when land move up, down or sideways