The Chemical Society of Japan Periodic Table of Elements Clear File This clear file is perfect for holding science and chemistry printouts for junior high and high school students, and can be used for memorization during daily study. Although unused, there are some initial imperfections. *Since there is no clear file category within study references, we have categorized it here, but it is not a book, it is a clear file. *It will be shipped with cardboard reinforcement on one side and placed in a waterproof vinyl bag; bubble wrap will not be used. *It was received and stored in its original condition, but there are some initial imperfections on the file as shown in the photos. *An A4 white paper is inserted inside. The following was automatically created by AI. The general outline has been confirmed, but there may be discrepancies in the details. We are not responsible for any discrepancies caused by the AI. Special edition of the Periodic Table of Elements from The Chemical Society of Japan, released in conjunction with Chemistry Day. - Title: Periodic Table of Elements - Publisher: The Chemical Society of Japan - Date: October 23 is Chemistry Day - Actinium: 89 Ac Actinium (227) - Thorium: 90 Th Thorium (232.0) - Protactinium: 91 Pa Protactinium (231.0) Thank you for viewing.