Which statement best compares the density among the three states of matter?

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

Which of these conditions most likely produces an unstable isotope?

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains