In gas chromatography, the variables that lead to band broadening include:a. large particle diameters for stationary phasesb. small column diametersc. low temperaturesd. for liquid stationary phases, thin layers of the mobilized liquide. optimum flow rates

Cr(oh)3 -> cr(3+) + 3oh-

The atomic nucleus made up from protons (yellow) and neutrons (blue) and held together by nuclear forces. nuclear forces (also known as nuclear interactions or strong forces) are the forces that act between two or more nucleons. they bind protons and neutrons (“nucleons”) into atomic