A chemical ? is a short hand way to sum up what occurs in a chemical reaction.

What is the most important factor in determining climates.

Which is an example of a highly unstable isotope that is often used in fission reactions?

Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive