Sulfur dioxide is a(n)
compound
element
heterogeneous mixture
solution

What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene

Find the mass, in grams, of 5.00*10^23 molecules of f2