The reactivity of an element is based on its . protons electrons 2. electrons are the most important electrons to an atom. Outer Inner 3. refers to how reactive a substance is with oxygen. Reduction Combustibility

In which phase(s) do the molecules take the shape of the container?

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

Astudent uses universal ph paper to find the ph of three solutions . solution a has a ph of 5 solution b has a ph of 11 and solution c has a ph of 7 identify which solution is acidic which solution is neutral and which solution is basic