Calculate the total mass of reactants and products for the combustion of 1 mole of methane. CH4 + 2O2(g) -> CO2 (g) + 2H2O(g)

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates

answerto predict;

answermeridional ;