The model shows the models of protons (+), neutrons (N), and electrons (-) in an atom, along with three different models of these subatomic particles. image

Which of the following identifies the models that represent an ion and an isotope of the original atom?

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation: