Valence Electrons
Valence electrons are the electrons in the highest occupied principal energy level of an atom. Elements…
Nathan Mountford
Problem-solving and decision making
Problem-solving refers to a way of reaching a goal from a present condition, where the…
Cognitive development
Several theorists have proposed theories of cognitive development over the years. Piaget’s theory of cognitive…
Intellectual functioning
Intelligence involves the ability to adapt to one’s environment and the capacity to learn from…
Information-processing model
Information processing theory is based on the idea that humans process the information they receive,…
Consciousness-altering drugs
Drugs can be used to alter the conscious state of an organism. Depressants, stimulants, hallucinogens…
States of consciousness
Consciousness describes our awareness of internal and external stimuli. Awareness of internal stimuli includes feeling…
Divided attention
Divided attention is the ability of the brain to attend to two different stimuli at…
Selective attention
Selective attention is the ability to choose and concentrate on relevant stimuli. It is a…
Hydration, The Hydronium Ion
When water is used as the solvent, the dissolving process is called hydration. Hydronium is…