Giới Thiệu · Free Periodic Table of Elements
Free periodic table. Melting & boiling points, density, electronegativity, electron affinity. Features: Formatted for a small screen, atomic numbers, symbols, and weights. Chemical symbols. Navigate from Table of Contents or search for words and phrases. Access the guide anytime, anywhere - at home, on the train, in the subway. Prepare for the exam. Always have the guide available for a quick reference.
Version 8.1 improves search and navigation.