"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners ...

The real genius of Mendeleev’s achievement was to leave gaps ... and helped to cement the reputation of Mendeleev’s periodic table. The final triumph of Mendeleev’s work was slightly unexpected. The ...

By comparing colors across samples, we might be able to determine the real culprit. The green chemistry principle ... we asked clubs to create elements of the periodic table featuring a mole. The ...

Notice the formulas listed for real gold and Fool’s gold in the table. Real gold is represented by the letters ‘Au’. This combination of letters can be found on the periodic table. The periodic table ...

These are almost one-quarter of the periodic table and are mainly found in the first four periods. Of these, 11 are essential elements that our bodies need in larger amounts: oxygen, carbon ...

Browse a list of curated classroom activities by the American Association of Chemistry Teachers. Lesson Plans: The Periodic Table and Bonding Download inquiry-based lesson plans and activity sheets to ...