Book:Easy To Understand Chemistry - Easy Chemistry Posted by Fajat Maikan - 11:34 AM - Chemistrysource : www.amazon.com Periodic Table of Elements Periodic table Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon Potassium Calcium source : www.pinterest.com