{"version":"1.0","type":"link","title":"Erbium - Newikis","description":"Erbium (pronounced /ˈɝbiəm/) is an element on the periodic table. Its symbol is Er. Its atomic number is 68 which means it has 68 protons in an atom. It is a lanthanide and, along with yttrium, terbium, and ytterbium, is one of the four elements to be named after the town of Ytterby in Sweden, all…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/1/12/Erbium-crop.jpg","thumbnail_width":264,"thumbnail_height":249}