Examlex
The number of electrons that half fill a composite s-d band is ________.
Exogenous
Originating from outside an organism or system.
Brain
The central organ of the human nervous system, responsible for processing information and controlling bodily functions.
Agonist
A substance that activates a receptor to produce a biological response.
Antagonist
in pharmacology, a substance that acts against and blocks an action. In literature, a character or force in conflict with the main character.
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