To explain the photoelectric effect, Albert Einstein linked the photoelectric effect to an idea from which scientist? Heinrich Hertz
Isaac Newton
Max Planck
Thomas Young

What metric units would you use to measure the thickness of a key

If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?

Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.