Reactant Order in Reactions

In the order they were discovered

In alphabetical order (correct)

In decreasing order of reactivity

In increasing order of molecular weight

Their position on the periodic table (correct)

Their color at room temperature

Their phase (solid, liquid, gas)

Their rate of reaction with water

It has no effect on the outcome

It affects the rate of the reaction (correct)

It changes the color of the reactants

It determines the reaction temperature