Chemistry Oxygen Basics Cheat Sheet by 7kokcmax71 December 24, 2024 1. General Information Symbol: O Atomic Number: 8 Atomic Mass: 15.999 u Group: 16 (Chalcogens) Period: 2 Block: p-block Electron Configuration: 1s² 2s² 2p⁴ Valence Electrons: 6 Phase at Room … Read more
