High school students around the world took the Advanced Placement (AP) Chemistry exam on May 14, but the relief they should have felt at completing a difficult test quickly turned into anxiety for ...
Chemistry X: College and AP Chem is a nicely designed educational app suitable for introductory undergraduate chemistry courses and advanced high school chemistry classes. Content within the app is ...
To claim “all matter can be understood in terms of arrangements of atoms” (C&EN, Sept. 12, page 54) fails to acknowledge that most matter and mass in the universe are not atomic (Science, DOI: 10.1126 ...
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