| 21. | A homonuclear diatomic molecule is one composed of two atoms of the same NO.
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| 22. | Other elements form diatomic molecules when evaporated, but these diatomic species repolymerize when cooled.
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| 23. | Other elements form diatomic molecules when evaporated, but these diatomic species repolymerize when cooled.
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| 24. | Asymmetrical diatomic molecules, e . g.
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| 25. | All of the elements in the period can form diatomic molecules except beryllium and neon.
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| 26. | Upon heating iodoform decomposes to produce diatomic iodine, hydrogen iodide gas, and carbon.
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| 27. | "' Hydrogen bromide "'is the diatomic molecule with the formula.
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| 28. | All halogens have been observed as diatomic molecules, except for astatine, which is uncertain.
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| 29. | In 1997 spectroscopic analysis revealed the dimer ( or diatomic ) absorption features of molecular oxygen.
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| 30. | Although oxygen is normally a diatomic gas, oxygen can form an allotrope known as ozone.
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