Which molecular formula corresponds to this model of a chemical compound? (black = carbon; red = oxygen; white =
hydrogen)
C2(OH)4
C2H2O4
C2H4O2
C4H2O2

One does not belong why? ice, gold ,wood ,diamond and table salt

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.

11) burning your hand when accidentally touching a hot plate is an example of which heat transfer? a. conduction b. convection c. radiation d. none of these