BBC3 年
The modern periodic table
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 ...
AZoM on MSN11 天
20 Years of Discovery: How Has the Periodic Table Changed Over Time?
The periodic table organizes chemical elements based on atomic weight, electron configurations, and chemical properties, ...
BBC3 年
What does the periodic table tell us about the elements?
The table shows the melting points of five alkali metals. Use this information to describe how melting point changes in group 1.
abc2711 天
It’s National Periodic Table Day!
February 7 is National Periodic Table Day, when we celebrate the efforts of scientists over the centuries to figure out how different elements ...