3) In the combustion reaction of methane gas : CH4 (g) + O2 (g) CO2 (g) + 2 H20 (g) 4.0 X 10 exp 23 molecules of CH4 was used. Determine (a) the moles of CO2 produced. ​

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.