Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...
One hundred fifty years after Russian chemist Dmitri Mendeleev published his system for neatly arranging the elements, the periodic table it gave birth to hangs in every chemistry classroom in the ...
In recent decades, researchers have pushed the boundaries of the periodic table, synthesizing the heaviest elements known to science. These superheavy elements (SHE) complete the seventh row of the ...
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