What type of reaction is 4Na + O2 --> 2Na2O?

What is the equilibrium constant of aa+bb=cc+dd

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

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.