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As of 2019, the Periodic Table of the Elements has been around for 150 years. Maybe you've felt a certain chemistry with 2019 but don't know why? Maybe it's because this year marks the 150th ...

Element collecting can start harmlessly enough. A rainbow-hued bismuth crystal catches your eye at a science museum one day, you buy a sample or two, and the next thing you know, you’re spending ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...