Decomposition of sodium bicarbonate produces pure carbon dioxide and decomposition of hydrogen peroxide produces pure oxygen. The amount of carbon dioxide in exhaled air is greater than that in regular air. Thus, the order is:
gas from decomposition of NaHCO₃ → Exhaled air → Air → gas from the decomposition of H₂O₂
The answer is false. It is because the electron structure of
the atom is not determined by using the direct observation of using an x-ray
but rather the usage of theoretical modeling and the emission spectra will be useful
in observing.