How is e related to a period of elements? e generally increases from right to left. e generally decreases from right to left. e is constant within any given period

water is used to store them because it would keep the radiation from getting out in the open and causing harm to the workers

the ratio of the conjugate base to the acid required to attain the desired ph.

it’s previous models   because when i picked that son of a gun’s answer it was wrong look for previous models because they might make it a different letter