Thomas Jefferson Lab National Accelerator Facility education.jlab.org Atomic Properties http://education.jlab.org/itselemental/ele079.html jlab.org 400 times thinner than a human hair jlab.org ”It's Elemental : The Element Gold” Atomic Properties jlab.org Jefferson Lab: O elemento ouro [em inglês] Jefferson Lab: The Element Gold jlab.org education.jlab.org It's Elemental: Gold jlab.org Thomas Jefferson Lab National Accelerator Facility Atomic Properties Atomic Properties Thomas Jefferson Lab National Accelerator Facility education.jlab.org Thomas Jefferson Lab National Accelerator Facility Thomas Jefferson Lab National Accelerator Facility Jefferson Lab; It's Elemental; The Element Gold Thomas Jefferson Lab National Accelerator Facility education.jlab.org