monoatomic
1
9.0
- adjective
- /ˌmɒnəʊəˈtɒmɪk/
- Specialized
- For example, argon is a monoatomic gas.
Examples
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Supposedly, the diatomic gases have higher emissivities than the monoatomic gases, and both have far less emissivity than triatomic gases like CO2 and water vapor.
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So, contrary to your claim, depending on the temperature, both monoatomic and diatomic gases may neither emit nor absorb at all.
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I presume this relationship holds with other monoatomic gases as well.
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Consider a gas like argon, all tightly bound and monoatomic.
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Argon is a monoatomic gas that exists as single atoms.
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Neon is another example of a monoatomic element commonly found in neon signs.
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Helium is monoatomic and does not form molecules under normal conditions.
How Many Atoms
- Specialized
1
7.2
- Specialized
1
7.1
- Specialized
1
6.9
- Specialized
1
9.0
Surface Forms
Morphology
Etymology
The word monoatomic comes from parts: mono- meaning 'one', as in monologue, and atomic from atom meaning 'a very small piece'. So a monoatomic substance is made of single atoms rather than molecules.