Functional groups are groups of atoms that occur within molecules and confer specific chemical properties to those molecules. they are found along the \u201ccarbon backbone\u201d of what?

The four Science Regents exams (Earth Science, Living Environment, Chemistry, and Physics) also include separately-scheduled lab practicals.
In New York, students have the opportunity to take Regents Exams in grades 9-12 and, when appropriate, in grade eight.