When a chlorine atom interacts with an ozone molecule, it takes one _______?

A chlorine atom interacts with an ozone molecule primarily by taking one oxygen atom from it. This reaction is part of the ozone depletion process, where chlorine compounds, such as chlorofluorocarbons (CFCs), release chlorine atoms when they are broken down in the stratosphere. The chlorine atom then reacts with ozone (O3), resulting in the transformation of ozone into oxygen (O2) and leaving the chlorine atom bonded with one of the oxygen atoms.

Understanding this reaction is critical because it highlights the mechanism by which ozone in the Earth's stratosphere is depleted. The reaction can be represented as follows:

Cl + O3 → ClO + O2

In this equation, the chlorine atom reacts with an ozone molecule, effectively taking away one oxygen atom and forming chlorine monoxide (ClO), further contributing to the depletion of the ozone layer. This knowledge is essential for maintaining a comprehensive understanding of how certain chemicals impact the environment, especially in regard to ozone layer protection regulations enforced by the EPA.