Examlex
The electron arrangement for Na would be:
shell 1:2 electrons shell 2:8 electrons shell 3:1 electron
Critical Differences
Significant or substantial variances between entities or conditions that are of importance to understanding or decision-making.
Prototypes
Original or first models of something from which other forms are copied or developed, often used in the context of designs, technology, or cognition.
Divergent Thinking
The cognitive process of thinking about multiple solutions to a problem, often associated with creativity.
Mirror-Recognition
The ability of an individual to recognize themselves in a mirror, indicating self-awareness.
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