Chemistry,  Science  –  Top      Elements     Actinides 1 Alkali Earth Metals 1 Alkali Metals 2 Halogens 2 Lanthanides 2 Metalloids Metals Noble Gases 2 Nonmetals 3 Platinum Metals 1 Transactinides 4 Transition Metals 3 Actinium 9 Aluminum 11 Americium 8 Antimony 11 Argon 10 Arsenic 12 Astatine 10 Barium 9 Berkelium 9 Beryllium 12 Bismuth 10 Bohrium 10 Boron 12 Bromine 10 Cadmium 10 Calcium 9 Californium 8 Carbon 12 Cerium 9 Cesium 11 Chlorine 11 Chromium 11 Cobalt 11 Copper 12 Curium 9 Darmstadtium 3 Dubnium 8 Dysprosium 9 Einsteinium 8 Erbium 9 Europium 9 Fermium 7 Fluorine 8 Francium 8 Gadolinium 9 Gallium 10 Germanium 10 Gold 12 Hafnium 8 Hassium 10 Helium 12 Holmium 9 Hydrogen 11 Indium 11 Iodine 10 Iridium 9 Iron 10 Krypton 10 Lanthanum 8 Lawrencium 8 Lead 9 Lithium 10 Lutetium 8 Magnesium 10 Manganese 10 Meitnerium 8 Mendelevium 9 Mercury 17 Molybdenum 11 Neodymium 11 Neon 11 Neptunium 9 Nickel 11 Niobium 10 Nitrogen 11 Nobelium 9 Osmium 10 Oxygen 10 Palladium 10 Phosphorus 10 Platinum 10 Plutonium 12 Polonium 10 Potassium 10 Praseodymium 9 Promethium 9 Protactinium 8 Radium 10 Radon 9 Rhenium 11 Rhodium 10 Roentgenium 3 Rubidium 10 Ruthenium 9 Rutherfordium 8 Samarium 9 Scandium 10 Seaborgium 9 Selenium 13 Silicon 12 Silver 10 Sodium 10 Strontium 10 Sulfur 12 Tantalum 9 Technetium 10 Tellurium 10 Terbium 9 Thallium 10 Thorium 12 Thulium 9 Tin 11 Titanium 11 Tungsten 12 Ununquadium 3 Uranium 19 Vanadium 11 Xenon 10 Ytterbium 9 Yttrium 10 Zinc 10 Zirconium 10   Elements - Chemistry, Science, School Time, Kids and Teens 38 Periodic Table - Chemistry, Science 62   E-Mail Password       E X P A N D      m i n i m i z e           Portuguese 5   Home | Contact | Policies  Help build the largest human-edited directory on the web.  Submit a Site - Open Directory Project - Become an Editor Copyright ©1995-2008, zaz Corporation. All rights reserved. Privacy Policy