Assuming that this molecule is planar, determine whether this molecule is aromatic, and name the number of electrons ( molecular orbitals).

Which of the compounds below is antiaromatic, assuming they are all planar?

Assuming that this molecule is planar, determine whether this molecule is aromatic, and name the number of electrons (not molecular orbitals).

Compound A.

Compound B.

Compound C.

Compound D.

Which compound(s) shown above is(are) aromatic?

How many pi electrons does the given molecule have?

Which of the following best describes the given molecule?

Consider the molecule furan, shown below:

Is this molecule aromatic, non-aromatic, or antiaromatic?

Consider the following molecule.

Is this molecule aromatic, non-aromatic, or antiaromatic?

How many pi electrons does the given compound have?

Consider the structure of cyclobutadiene, shown below:

Is this molecule aromatic, non-aromatic, or antiaromatic?