Which of the following describes a compound? A.
a piece of pure carbon, containing only carbon atoms
B.
oxygen gas surrounding a solid piece of carbon
C.
a substance made of two oxygen atoms for each carbon atom
D.
carbon and oxygen atoms mixed without being bonded together

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.