Periodic Table of the ElementsGroup 1 (1A) - Alkali MetalsHydrogen, [1H]Lithium, [3Li]Sodium, [11Na]Potassium, [19K]Rubidium, [37Rb]Caesium, [55Cs]Francium, [87Fr]Group 2 (2A) - Alkaline Earth MetalsBeryllium, [4Be]Magnesium, [12Mg]Calcium, [20Ca]Strontium, [38Sr]Barium, [56Ba]Radium, [88Ra]Group 3 (3B) - Transition MetalsScandium, [21Sc]Yttrium,...Learn More

H.........................................................................He Li...........Be.........B.........C.........N.........O.........F.........Ne...Learn More