The Alkali Metals Set Sealed in Periodic Element Tiles

The Periodic Element Guys are Proud to present The Alkali Metal Element Set which includes 5 x Periodic Element Tiles.Each tile also has a color coded label on the back showing the essential information of the particular element. We have color coded this according to JMOL scheme so each is unique and cheerful. In this Alkali Metal Element Set You will receive, 1. Lithium is to dangerous to put in a tile on its own, So here is the next best thing. Lithium salts covered with metal protection. A Battery! 2. 15mg of 99.9% Sodium Metal in a Glass ampule, Sealed under resin in a Periodic Element Tile. 3. 15mg of 99.9% Potassium Metal in a Glass ampule, Sealed under resin in a Periodic Element Tile. 4. 15mg of 99.9% Rubidium Metal in a Glass ampule, Sealed under resin in a Periodic Element Tile. 5. 15mg of 99.9% Caesium Metal in a Glass ampule, Sealed under resin in a Periodic Element Tile. The size of these tiles is 25mm x 29mm or 1 and 1/8 inch x 1 inch. You may see each of these Ampules be