Gallium (CFSP) and iodine and thorium and thulium and thallium. There's yttrium, ytterbium, actinium, rubidium and beryllium copper, boron, gadolinium, niobium, iridium and strontium and silicon and samarium, silver and bismuth, bromine - lithium, beryllium and barium. It holmium and helium and hafnium and erbium, phosphorus and francium and fluorine and terbium, manganese, molybdenum, mercury, magnesium, Dysprosium and scandium and cerium and cesium. And lead, praseodymium, ..... (https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgtGb32zBA0Bkodx-HYfB_w4G1aHwMUf4WLPPkSgqei47nsrhtsGsKNTwG9TMXBvND8rQT7u-RAJmlgTBbYw-QbJ0K99u91M90ntTa5jtL9XiTaWhtqb61DF-OIAg4jGIppiwYpaZRAuSht/s72/Beryllium_Elements_by_Tom_Lehrer_copper.jpg)