Examlex
There is one unpaired electron in a phosphorus atom.
Formal Operational
A stage of cognitive development in which individuals become capable of abstract thinking and logical reasoning.
Concrete Operational
A stage in Piaget's theory of cognitive development where children gain the ability to think logically about concrete events.
Preoperational
A stage in Piaget's theory of cognitive development, occurring from approximately ages 2 to 7, characterized by symbolic thought and egocentrism but a lack of operational logic.
Sensorimotor
Referring to the developmental stage in infants where they explore the world and learn through physical interactions, involving both sensory experiences and motor activities.
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