Which of the Following Statements Is TRUE

Multiple Choice

Which of the following statements is TRUE?

A) Each boron nitride unit contains six valence electrons.
B) Carbon nanotubes and boron nitride nanotubes are not similar.
C) Boron nitride contains BN units that are isoelectric with carbon.
D) Boron nitrides conduct an electrical current.
E) The size and electronegativity of a carbon atom are not close to the average of those properties for a boron atom and a nitrogen atom.