Recently, Chemistry Solutions caught up with Michael Dayah, creator of ptable.com — one of the first online periodic tables. We asked him to share his story about how he created ptable.com as a high ...

Browse a list of curated classroom activities by the American Association of Chemistry Teachers. Lesson Plans: The Periodic Table and Bonding ... Guidelines and Recommendations for Teaching Middle & ...

They have high melting points and densities, and are strong and hard. They form coloured compounds and act as catalysts. Sample exam questions - atomic structure and the periodic table - AQA ...

Everything in the universe contains the atoms of at least one or more element. The periodic table lists all the known elements and groups together those with similar properties.