• Compare non-transition and transition elements on the basis of their
variability of oxidation state .

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

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Based on its chemical properties, identify the position of each chemical family on the periodic table.