The chemical symbol for oxygen is O. Makes sense. Calcium gets repped by a Ca. Sounds good. Hydrogen? H. Cobalt? Co. Lithium? Li. With you so far. Lead? Pb. There are actually a few things that ...

Gold jewelry prices have dropped significantly in Chennai. Gold's chemical symbol, AU, comes from the Latin "Aurum," meaning "shining dawn." India and China are the largest gold consumers ...