How would you describe the relationship between elaborative rehearsal and maintenance rehearsal in terms of establishing long-term memories?

Elaborative is more effective than maintenance

Elaborative rehearsal is a working memory process in which the information is reviewed and related to the information in the long term memory. This is relating two concepts to each other in order to arise in their meaning. It is a memory technique that involves thinking about the meaning of the word to be remembered rather than simply repeating the word over and over again. 

The answer is reflection.

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass