The chemical element O is Oxygen. 🌬️
Here is some essential information about it:
* Symbol: O
* Atomic Number: 8
* Atomic Mass: \approx 15.999 u
* Classification: Nonmetal, a member of the Chalcogen group (Group 16).
* State at Standard Temperature and Pressure (STP): Gas (most commonly as the diatomic molecule, \text{O}_2).
Oxygen is vital for respiration in most living organisms and is a component of countless compounds, including water (\text{H}_2\text{O}) and the atmosphere (where it makes up about 21% by volume).
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