Iron and chlorine form two compounds, A and B. Compound A contains 1.27 of chlorine for each 1 g of iron whereas compound B contains 1.9 chlorine for each 1 g of iron. Show that the masses of chlorine are in the ratio 2:3. Do they obey the law of multiple proportions? Explain.​

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.