Periodic Table of Elements Set, Chemistry Set of 82 Elements of The Periodic Table in Labeled Glass Vial + Acrylic Table with Cover

Periodic Table of Elements Set, Chemistry Set of 82 Elements of The Periodic Table in Labeled Glass Vial + Acrylic Table with Cover

Potassium Metal Element 19 Sample K, Pure 1 gram 99,8% Pieces Under Mineral Oil in Labeled Glass Vial

Lithium Metal Element 3 Sample 99.9% Pure 1 gram Shiny Pieces Under Mineral Oil in Labeled Glass Vial