The valency table
The valency of elements in the periodic table
by Heba Soffar · Published · Updated
The valency of elements in the periodic table
by Heba Soffar · Published July 23, 2021
by Heba Soffar · Published April 13, 2017 · Last modified March 12, 2022
by Heba Soffar · Published June 25, 2021
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