Given equal amounts of reactants in all cases, what change of state would require the largest input of energy?

Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.

Condensation happens when water vapor cools. true or false? ?