Chemistry: The Molecular Nature of Matter and Change (7th edition) By Martin Silberberg, Patricia Amateis 2015 | 1232 Pages | ISBN: 007351117X | PDF | 267 MB
J. J. R. Frausto da Silva, R. J. P. Williams, "The Biological Chemistry of the Elements: The Inorganic Chemistry of Life (2nd edition)" 2001 | ISBN-10: 0198508484 | 600 pages | PDF | 9 MB