Learn about the activity series of metals or reactivity series and get a chart to print. Learn how to use the activity series in chemistry. Activity Series of Metals (Reactivity Series) This entry was posted on November 30, 2021 by Anne Helmenstine (updated on May 24, 2022)
Learn what entropy is in chemistry and physics. Get a simple definition and scientific definition and see entropy examples. What Is Entropy? Definition and Examples This entry was posted on November 28, 2021 by Anne Helmenstine (updated on November 30, 2021)
Learn about cis and trans isomers. Get examples of geometric isomers and learn about the differences between them and their properties. Cis and Trans Isomers This entry was posted on November 27, 2021 by Anne Helmenstine (updated on November 29, 2021)
Try these cool chemical reactions to take your chemistry experiments and demonstrations to the next level. Cool Chemical Reactions This entry was posted on November 25, 2021 by Anne Helmenstine (updated on August 26, 2023)
Learn how to convert days to years by two easy methods. See an example unit conversion and a table of values. How to Convert Days to Years This entry was posted on November 24, 2021 by Anne Helmenstine (updated on November 27, 2021)
Learn the difference between genotype and phenotype. Get the definitions and examples of the two terms and see how they are related. Genotype vs Phenotype – Definitions and Examples This entry was posted on November 23, 2021 by Anne Helmenstine (updated on November 27, 2021)
Learn how to do the glowing pickle or electric pickle experiment and see why the pickle glows when you apply electricity. Glowing Pickle or Electric Pickle Experiment This entry was posted on November 21, 2021 by Anne Helmenstine (updated on January 1, 2023)
Learn what an ion is in chemistry. Get the definition, examples, and the explanation for how to tell the charge of an ion. What Is an Ion? Chemistry Definition This entry was posted on November 20, 2021 by Anne Helmenstine (updated on November 27, 2021)
Learn what fermentation is in chemistry and biology. Get the definition and examples in everyday life and industry. What Is Fermentation? Definition and Examples This entry was posted on November 18, 2021 by Anne Helmenstine (updated on October 8, 2023)