Author Description

Contains the most often used and required facts and formulas on a single reference card. Functions as a study tool, homework aid, or for reference at work. Includes the atomic number, atomic weight, density, melting point, boiling point, oxidation state(s), group classification, symbol, name, acidity / basicity, electron configuration, electro negativity, crystal structure, and first ionization potential (when know) for all the elements, from hydrogen to unununium.