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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Answers by country
propane
butane
nonane
dekane
answers
the Netherlands
23
the United Arab Emirates
22
Republic of Ireland
21
Nigeria
122
Unknown
40
India
789
Poland
8769
the United Kingdom
264
Austria
40
Canada
49
Ghana
19
Pakistan
88
Malaysia
37
Australia
95
the Philippines
73
the United States
598
Germany
240
Singapore
41
Saudi Arabia
15
Switzerland
17