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a halogen atom (F, Cl, Br or I) reacts by addition reaction with alkenes
the temperature at which a substance changes phase from a solid to a liquid at a specific or...
dealing with quantities as well as the nature of the substances under consideration.
the process whereby carbon is turned into carbohydrates in plants, and becomes available as an...
substances such as elements or compounds, that cannot be broken down into simpler substances by...