NEW EDITION includes a 12-page removable fold-out Timeline History of the Periodic Table that\'s been Updated through 2017, as well as an Updated chart of the elements which includes the four latest additions to the Periodic Table (Tennessine, Nihonium, Moscovium, and Oganesson)..
NEW EDITION includes a 12-page removable fold-out Timeline History of the Periodic Table that\'s been Updated through 2017, as well as an Updated chart of the elements which includes the four latest additions to the Periodic Table (Tennessine, Nihonium, Moscovium, and Oganesson).