Does iron always have a charge of 2+ when it forms an ion

Which of the following statements is false regarding aromaticity? a. the compound must be cyclic b. the compound must be fully conjugated c. the compound must be planar d.the number of electrons in the pi system must satisfy the hückel 4n+2 rule e. the compound must have a neutral charge

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

What will most likely happen when two bromine atoms bond together?