Phelps, an engineer at Oak Ridge National Laboratory, works with radioactive material daily, furthering understanding of the world around us. She is best known for helping discover a periodic element, ...
This illustration shows a typewriter with the keys depicted as the periodic table. Hands are typing on it, and the sheet of paper coming out of it shows the words "Tales from the table." Credit: Chris ...
Can you remember all 118 elements in the periodic table without looking at the answers?
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