The periodic table arrangement allows us to look for patterns in elements' chemical and physical properties and ... film with your students, in which science presenter Jon Chase uses universal ...

The table shows the melting points of five alkali metals. Use this information to describe how melting point changes in group 1.

Test your knowledge and compete with other Live Science readers to see who can come top in our periodic table quiz. The periodic table of elements is a landmark categorization developed in 1869 by ...

The periodic table organizes chemical elements based on atomic weight, electron configurations, and chemical properties, ...

February 7 is National Periodic Table Day, when we celebrate the efforts of scientists over the centuries to figure out how different elements ...