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Valence Electrons Periodic Table: Understand the valence electrons and their importance in the periodic table. Learn how to find valence electrons, ... (Cl⁻) that attract each other. ...
For example, in sodium chloride (NaCl), sodium donates one electron to chlorine, resulting in positively charged sodium ions (Na⁺) and negatively charged chloride ions (Cl⁻) that attract each ...