Draw all of the resonance structures for the resorufin anion that satisfy the octet rule (that is, no carbocations). In each resonance structure, identify any ringsthat are nonaromatic as a result of cross-conjugation.

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6