Another possibility is that only a portion of one molecule is transferred to the other molecule. This type of reaction occurs, for example, in redox and acid-base reactions. In redox reactions, the transferred particle is an electron, whereas in acid-base reactions it is a proton.
Psychology is the study of mind and behavior. It is an academic discipline and an applied science which seeks to understand individuals and groups by establishing general principles and researching specific cases.
Psychologists play a significant role in addressing the mental health needs and supporting the strengths of our growing population of older adults. Collectively, psychologists provide more than 50,000 hours of care each week to older adults, and 70% of practicing psychologists provide some services to older adults.