One Greek prefix is in or im.
The Greek prefix for 6 is "hexa-".
the greek prefix para means beyond
The Greek Prefix for 12 is dodeca. For Example O12 would be dodecoxide.
The prefix "mono-" derives from the Greek language. The equivalent Latin prefix would be "uni-".
The Greek prefix for C2H6 is "eth-," derived from the Greek word for two (eth).
The prefix "mono" comes from the Greek language.
hepta or hept-
No, "seismo" is not a Greek prefix. The Greek prefix for earthquake is "seismo-." In Greek, "seismos" means earthquake, so "seismo-" is used as a prefix in words related to earthquakes or seismic activity.
poly- eg:polygamy
It is not Greek and has no Greek meaning.
The Greek prefix for 3 is "tri-". So, in the covalent compound C3H8, the cation represented by the Greek prefix is tri- (as in tricarbon).
The previous answer here was "greek". Unfortunately, this is incorrect; perhaps it was a guess? The correct answer is Latin; reference: http://en.wikipedia.org/wiki/Greek_and_Latin_roots_in_English .