Group items tagged

here are some acs chem exams with the answers at the end.. the first box with 'local exams (2000-2012)' is the right one. =)

Writing Alpha and Beta Decay Equations Return to Radioactivity Menu Go to positron decay and electron capture First off, you need to know how to write and understand nuclear symbols: Remember that the lower number is the atomic number and the upper number is the mass number.