Aug 1, 2020 · Oxidation is the loss of electrons or increase in oxidation state of a molecule, atom, or ion in a chemical reaction. The opposite process is called reduction, which is a gain of …

This tutorial covers oxidation-reduction (redox) reactions in electrochemistry: learn to write simple half reactions and to recognize the oxidizing agent and reducing agent.

Jun 7, 2024 · Oxidation is the loss of electrons during a reaction by a molecule, atom or ion. Oxidation occurs when the oxidation state of a molecule, atom, or ion is increased.

This page discusses the various definitions of oxidation and reduction (redox) in terms of the transfer of oxygen, hydrogen, and electrons. It also explains the terms oxidizing agent and …

Oxidation is a chemical process in which a substance loses electrons to another substance. This process can result in the formation of a new chemical species, such as an oxide or a salt, and …

The increase in the oxidation state of an atom, through a chemical reaction, is known as oxidation; a decrease in oxidation state is known as a reduction. Such reactions involve the formal …

Sep 26, 2025 · Redox processes are defined as reactions accompanied by oxidation-state changes: an increase in an atom’s oxidation number corresponds to an oxidation; a decrease, …

Oxidation refers to the loss of electrons, while reduction refers to the gain of electrons. These processes occur simultaneously in redox reactions, with electrons being transferred from the …

A chemical reaction that takes place when a substance comes into contact with oxygen or another oxidizing substance. Examples of oxidation are rust and the brown color on a cut apple.

Key points Oxidation is when a substance reacts and combines with oxygen. Combustion (burning) is an example of an oxidation reaction.