Indium and gallium and beryllium copper, iodine and thorium and thulium and thallium. There's yttrium, ytterbium, actinium, rubidium and boron, gadolinium, niobium, iridium and strontium and silicon and samarium, silver and bismuth, bromine - lithium, beryllium and barium. Is not that interesting? I knew you would come. I hope you will make you take notes, because there will be a short quiz next period. It holmium and helium and hafnium and erbium, phosphorus and francium and f. .. (https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgqJ55DfEnMyYlKKW6rYeiW9DwiUjV3nuieD5aJ8aWvqEoQ820BCv3KZlQTRXlWCFtJp4WS-MV-_V7UFowsqtowzBkJ67MYNwLKuyopUtJDrXgCWlGQAFvLPotCtIYQ21SA30xByEeuIgub/s72/The_element_Song.wmv_beryllium_copper.jpg)