Examlex
____ is the most socially complex type of play activity among preschoolers.
Complex Metal Hydrides
A class of compounds formed by the combination of a metal with hydrogen, typically used as hydrogen storage materials.
Ketones
Organic compounds characterized by the presence of a carbonyl group bonded to two carbon atoms.
Alcohols
Organic compounds containing a hydroxyl (-OH) group attached to a saturated carbon atom, and are widely used in industry and chemistry.
Reaction
A reaction in chemistry refers to the process in which substances, known as reactants, undergo chemical transformation to produce new substances, known as products.
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