Upadhyay DP, Sharma MK. Electronegativity, Hardness and Atomic number: Mutual relationships explored via novel isoelectronic series methodology. JAC [Internet]. 2015 Apr. 18 [cited 2024 Nov. 23];11(5):3583-96. Available from: https://rajpub.com/index.php/jac/article/view/4477