School of Biological and Chemical Sciences, Queen Mary University of London
Queen Mary Univ.: Atomic Weights of the Elements 2017
This site from the Queen Mary University of London provides a list of the discovered atomic weights and elements up into the year 2017.
Science Struck
Science Struck: Common Uses of the Highly Reactive Fluorine
Learn about the history, properties, reactivity, and many uses of the element Fluorine.