Periodic table
1H Hydrogen HALOGENS`ALKALINE EARTH METALS ACTINIDES 2He Helium 3Li Lithium 4Be Beryllium NOBLE GASES`TRANSITION METALS OTHERS 5B Boron 6C Carbon 7N Nitrogen 😯 Oxygen 9F Fluorine 10Ne Neon 11Na Sodium 12Mg Magnesium ALKALI METALS`lANTHANIDES 13Al Aluminium 14Si Silicon 15P Phosphorus … Lire plus