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This week, we meet the element lawrencium, which has the atomic symbol, Lr, and the chemical number, 103. It was named in honour of nuclear physicist Ernest O. Lawrence, who worked at the University ...

The International Union of Pure and Applied Chemistry Joint Working Party has announced the official names and symbols of the chemical elements formerly known as 113, 115, 117 and 118. The proposed ...

To celebrate National Chemistry Week, which runs from Oct. 20-26, we asked a bunch of scientists, with help from the American Chemical Society, what their favorite periodic element is, and why. A ...