Final answer:
Natural transformations in chemistry refer to the process of a nucleus changing into a different nucleus, typically through neutron absorption and radioactive decay. It is also used to describe transitions in a molecule where vibrational energy and rotational angular momentum increase.
Step-by-step explanation:
Natural transformations, also known as N-transforms, in the context of chemistry, refer to the process of a nucleus changing into a different nucleus, typically through the absorption of a neutron followed by radioactive decay.
This transformation is often represented by the symbol 259, 268, indicating the atomic numbers of the initial and final nuclei. For example, the transformation of a nucleus from atomic number 259 to atomic number 268.
The second piece of information you provided describes the transitions in a molecule where the vibrational energy increases from n=0 to n=1 and the rotational angular momentum increases from j to j+1.