← Periodic Table Of Elements Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All H hydrogen He helium Li lithium Be beryllium B boron C carbon N nitrogen O oxygen F fluorine Ne neon Na sodium Mg magnesium Al aluminum Si silicon P phosphorus S sulfur Cl chlorine Ar argon K potassium Ca calcium