You probably studied the "regular" periodic table in school—but did you know there are more versions of the periodic table than just the one you know? The periodic table of elements has gone through ...

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Creating mnemonic phrases can help you remember the order of elements, especially for the first 20 elements or specific groups. These phrases are general and are available on other free online sources ...

We look at the chemistry of gallium, the science behind the holes in the periodic table. We look at the chemistry of gallium, the science behind the holes in the periodic table, and the history of how ...

Elementary school teachers can use these activities to enrich the study of many different science topics in the elementary curriculum. Topics are aligned with curriculum for physical science, earth ...

A few weeks ago I explained how five chemical elements came to be named for Greek and Roman gods. Let’s feast again at the periodic table and discover the mythological origins of five more elements.