Learn about the chemistry of colored glass. See which elements and compounds produce certain glass colors. Chemistry of Colored Glass This entry was posted on January 31, 2021 by Anne Helmenstine (updated on September 27, 2022)
Get the definition and examples of physical properties. Learn about extensive and intensive properties. Physical Property of Matter – Definition and Examples This entry was posted on January 30, 2021 by Anne Helmenstine (updated on March 12, 2022)
Learn about the 10 most radioactive foods. See the type of radiation they emit and learn whether they are safe to eat. 10 Most Radioactive Foods This entry was posted on January 28, 2021 by Anne Helmenstine (updated on July 3, 2022)
Learn what nucleons are in chemistry and physics. See how nucleons relate to mass number and atomic mass. What Are Nucleons? Definition and Examples This entry was posted on January 27, 2021 by Anne Helmenstine (updated on August 23, 2022)
Get the definition and value of Avogadro's number and learn about its importance in chemistry. What Is Avogadro’s Number? Definition and Importance This entry was posted on January 26, 2021 by Anne Helmenstine (updated on May 10, 2021)
Learn the names of 20 hydrocarbon prefixes and the number of carbon atoms they represent. Hydrocarbon Prefixes in Organic Chemistry This entry was posted on January 24, 2021 by Anne Helmenstine (updated on May 10, 2021)
It's easy to grow large monoammonium phosphate crystals. The crystals resemble quartz when clear, but may be colored to look like emeralds or amethyst. Grow Monoammonium Phosphate Crystals (MAP) That Resemble Emeralds This entry was posted on January 23, 2021 by Anne Helmenstine (updated on May 10, 2021)
Learn about the world's strongest acid. Meet the superacids and see why they are stronger than regular strong acids. The World’s Strongest Acid – The Superacids This entry was posted on January 21, 2021 by Anne Helmenstine (updated on March 25, 2023)
Learn about litmus paper and how to perform and interpret the litmus test. Litmus Paper and the Litmus Test This entry was posted on January 20, 2021 by Anne Helmenstine (updated on February 14, 2023)