Today some blocks for the chemical element symbols, (from the previous festoon) that can contribute letters for the word Chemistry. I used Carbon (C), Helium (He), Manganese (Mn), Iodine (I), Sulfur (S), Tellurium (Te), Radium (Ra) and Ytterbium (Yb). :-)
氦（He）嵌段 - 化學
block、chemical、chemistry、helium、oldifluff、periodic table、science、symbols
塊、化學、化學、氦、oldifluff、元素週期表、科學、符號
資料來源：openclipart ( https://openclipart.org/ )