مكتبة كتب الكترونية مجانية

Here’s a self-teaching review book for students who are preparing to take standardized tests, and for adults who need to brush up on principles of inorganic and organic chemistry for personal or job-related needs. Forgotten Chemistry is set up as a workbook with 15 study units. Topics covered include chemical equations, the periodic table, organic chemistry, acid–base theory, chemical calculations, and much more. Hundreds of practice and review questions are presented with answers and explanations. Includes charts and diagrams

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