Guide to Using Hekman Library Online   |   Library Reopening Plans
Monday-Friday, 9:00am-4:00pm

Atomic Weights Isotopic Compositions with Relative Atomic Masses

Atomic Weights and Isotopic Compositions with Relative Atomic Masses - From the National Institute of Standards and Technology: "The atomic weights are available for elements 1 through 111, and isotopic compositions or abundances are given when appropriate."