How many carbon atoms are represented by the model below?

The reaction q+r2=r2q is found to be first order in r2 and

When the water vapor cools it condenses select a number that represents his process on the

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.