an atom has 27 protons and 22 neutrons. what is the chemical symbol for the atom? use the periodic table.

What strategy is most to take control of the opportunities and challenges life offers? commitment flexibility integrity ownership

Students taking a clep exam can earn between college credits, depending on the college's policies.

Zachary has been trying to work on an essay for almost three hours, be he can't seem to focus for more than 15 or 20 minutes at a time. what should he do so that the quality of his work doesnt suffer because of poor concentration and lack of energy