Alkanes - recall that an alkane is a hydrocarbon in which each carbon
atom forms
covalent bonds with four other atoms. the name of an
alkane ends in
-, and the number of
atoms is
indicated by a prefix: "meth-" means
atom, "eth-"
means
atoms, "prop-" means
atoms and "but-" means
_atoms. these are only four of
many prefixes used to name alkanes. the general formula for an alkane is

Why is it important for scientists to review and repeat the work of other scientists? 1.a scientific theory must be tested three times before it is proven. 2.the scientific method only applies to repeated experiments. 3.an experiment may have had errors that the scientists didn't recognize. 4.the results of individual scientists may be influenced by bias. 5.an experiment must be performed twice before the data can be analyzed.