![]() ![]() The substance (or substances) initially involved in a chemical reaction are called reactants or reagents. Nuclear chemistry is a sub-discipline of chemistry that involves the chemical reactions of unstable and radioactive elements where both electronic and nuclear changes can occur. Classically, chemical reactions encompass changes that only involve the positions of electrons in the forming and breaking of chemical bonds between atoms, with no change to the nuclei (no change to the elements present), and can often be described by a chemical equation. The sparks flying outwards are globules of molten iron trailing smoke in their wake.Ī chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another. ( April 2023) ( Learn how and when to remove this template message)Ī thermite reaction using iron(III) oxide. Please help to improve this article by introducing more precise citations. This article includes a list of general references, but it lacks sufficient corresponding inline citations. ![]()
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