Atoms must have equal numbers of protons and electrons. So to answer your question, yes protons and electrons are the same number.
I believe the correct answer is Butanone.
The answer is metallic bonding as this bond is the one
responsible of having to provide attraction in the electrons and atoms that
could lead of having substance to be made as a glue in order to provide
definite structure and it explains the description above.
A cube represents solid. A droplet represents a liquid. A balloon represents gas. A CD type figure represents synthetic.