Chemistry Chlorine Basics Cheat Sheet by 7kokcmax71 December 24, 2024 1. General Information Symbol: Cl Atomic Number: 17 Atomic Mass: 35.45 u Group: 17 (Halogens) Period: 3 Block: p-block Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁵ Valence Electrons: 7 Phase … Read more
