Dutta, Mala. “The Use of Electronegativity and Hardness Towards Understanding Pearson’S Hard-Soft Acid-Base Principle”. Asian Journal of Chemistry 11, no. 1 (July 19, 2012): 198–202. Accessed November 29, 2024. https://asianpubs.org/index.php/ajchem/article/view/23243.