Transcription of AP Chemistry Study Guide - EBSCO Connect
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AP Chemistry : Study Guide AP is a registered trademark of the College Board, which was not involved in the production of, and does not endorse, this product. Key Exam Details The AP Chemistry exam is a 3-hour 15-minute, end-of-course test comprised of 60 multiple-choice questions, for which you will have 1 hour and 30 minutes (this counts for 50% of your score) and 7 free-response questions, for which you will have 1 hour and 45 minutes (this counts for 50% of your score).
number from the mass number. Atomic mass is the average mass numberof all the atomsof thatelement. Atomic mass on the periodic table can give you an idea of the proportion of isotopes present. For example, lithium (L) has an atomic number of 3 and an atomic mass of 6.941, indicating that many lithium atoms on Earth have more than the 3 neutrons ...
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