Not only are the plants from ancient Egypt an entirely different species from those sold online, according to UC Berkeley ...

These describe how a substance looks and behaves. There are two types of properties: physical and chemical. Watch this video about how physical and chemical properties affect which materials we ...

of specific chemical substances in the environment, and the Safety Data Sheets (SDS) system, which provides information concerning the properties and the handling of specific chemical substances. This ...

Physical chemists are focused on understanding the physical properties of atoms and molecules, the way chemical reactions work, and what these properties reveal. Their discoveries are based on ...

Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic table’s arrangement also allows scientists to discern trends in ...