Define Chemical Reactions



A chemical reaction is a process in which one set of chemical substances (reactants) is converted into another (products). It involves making and breaking chemical bonds and the rearrangement of atoms. Chemical reactions are represented by balanced chemical equations, with chemical formulas symbolizing reactants and products. For specific chemical reactants, two questions may be posed about a possible chemical reaction.

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when two or more chemical products combine together to form another new product.

such a reaction is called a chemical reaction.

a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.

a chemical reaction is a change in which two or mopre products combine to form new products

chemical reaction is a process that leads to the transformation of one set of chemical substances to another. Classically, chemical reactions encompass changes that only involve the positions of electons in the forming and breaking ochemical bonds between atoms with no change to the nuclei (no change to the elements present), and can often be described by a chemical equations. nuclear chemistry is a sub-discipline of chemistry that involves the chemical reactions of unstable and radioactive elements where both electronic and nuclear changes may occur.