Last up to date Jan 22, 2016. We make content updates each 4-6 weeks in accordance with customers’ comments, editorial input and contemporary test changes. Essentially the most current version is only to be had instantly from Amazon, Barnes & Noble and Sterling Test Prep internet store.
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· Periodic table
· Chemical bonding
· States of matter: gases, liquids, solids
· Solution chemistry
· Acids and bases
· Equilibrium and reaction rates