Analysis of information sources in references of the Wikipedia article "Acetylene" in English language version.
Atomic weights of 6 and 12 were both in use for carbon.
The name acetylene is retained for the compound HC≡CH. It is the preferred IUPAC name, but substitution of any kind is not allowed; however, in general nomenclature, substitution is allowed, for example fluoroacetylene [fluoroethyne (PIN)], but not by alkyl groups or any other group that extends the carbon chain, nor by characteristic groups expressed by suffixes.
Atomic weights of 6 and 12 were both in use for carbon.
Atomic weights of 6 and 12 were both in use for carbon.
Atomic weights of 6 and 12 were both in use for carbon.