| 11. | The presence of a catalyst such as e . g . arsenic can prolong that monatomic state.
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| 12. | This gives many solids about twice the atom-molar heat capacity at room temperature of monatomic gases.
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| 13. | The source of that high reactivity is the fact that such gases remain monatomic radicals for some time.
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| 14. | The specific heats of monatomic gases ( e . g ., helium ) are nearly constant with temperature.
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| 15. | This is why = } } for monatomic gases and = } } for diatomic gases at room temperature.
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| 16. | For moderate temperatures, the constant for a monatomic gas is = while for a diatomic gas it is =.
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| 17. | Under standard conditions, the noble gases are odorless, colorless, monatomic gases, with very low chemical reactivity.
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| 18. | One example is that someone can use the charge of an ion to find the oxidation number of a monatomic ion.
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| 19. | In monatomic perfect gases and, approximately, in most gases, temperature is a measure of the mean particle kinetic energy.
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| 20. | However, if they are real different monatomic species, then each will bind slightly differently with the water molecules during solvation.
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