A time-lapse video of the crystallization of potassium chromate from solution by evaporation of water.
Reviews compounds and their properties, the elements that form them, and their structure.
Come up with questions about a topic and learn new vocabulary words to determine answers using an Ask, Answer, Learn table.
Learn how PET scans are used to diagnose Alzheimer's disease and how one chemist is trying to design organic compounds to cure the disorder.
Explains the difference between molecules and compounds and gives examples of compounds.