What substance will be next? Pentane, hexane, heptane, octane...
propane
butane
nonane
dekane
"Pentane, hexane, heptane" is a fragment of the homologous series of alkanes. The name "Nonane" consists of "non" (deriving from Greek numeral for nine) and the suffix "ane" for alkanes.
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propane
butane
nonane
dekane
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