Ozone is a gas made up of
Last updated Sep 22, 2026
Correct Answer:
Option C —
three oxygen atoms
While the oxygen we breathe consists of two atoms (known as dioxygen), ozone is a highly reactive gas where those atoms form a trio. The Chemistry of Ozone The chemical formula for ozone is O_3. It is created when ultraviolet (UV) light or electrical discharges (like lightning) break apart ordinary oxygen molecules (O_2), allowing the free oxygen atoms to bond with other O_2 molecules.Why It Matters
The Good: In the stratosphere (the upper atmosphere), ozone acts as a "sunscreen" for Earth, absorbing harmful UV radiation.
The Bad: At ground level, ozone is a major component of smog. While it's great high up, breathing it in can be harmful to your lungs.
Answer verified by Quintessence Classes faculty — Karan Nagar, Srinagar.
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